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Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black

4.5 4.5 out of 5 stars 35,894 ratings

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Carbon impact

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Carbon Neutral Certified by SCS Global Services enables companies to demonstrate carbon neutrality for their products by reducing carbon emissions throughout their operations and offsetting their remaining carbon footprint through the purchase of carbon credits. SCS Global Services is a global leader in third-party environmental and sustainability verification, certification, auditing, testing, and standards development. SCS is a chartered Benefit Corporation, reflecting its commitment to socially and environmentally responsible business practices.

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Purchase options and add-ons

Brand Logitech
Compatible Devices Laptop, PC, Smart TV, Tablet, Smartphone
Connectivity Technology Unifying Receiver
Keyboard Description wireless qwerty
Special Feature  Built-in Touchpad, Spillproof, Rechargeable, Hotkeys and Media Keys, Volume Roller, Customize F-Keys See more
Color Black
Number of Keys 84
Keyboard backlighting color support Single Color
Style PLUS

About this item

  • Media-Friendly: The K400 Plus wireless touch TV keyboard gives you integrated, comfortable control of your PC-to-TV entertainment, eliminating the clutter of a separate keyboard and mouse
  • Plug-and-Play: Simply plug the Unifying receiver into a USB port and the wireless touchpad keyboard is ready to go; adjust controls using the Logitech Options Software to save preferred settings
  • Power-Packed: Built with laid-back control in mind, this wireless TV keyboard has a reliable and long battery life of up to 18 months (2), including an on/off button to help it go even longer
  • Wireless Freedom: Designed for seamless comfort and control, this HTPC keyboard boasts a range of up to 33 ft (1) wireless connectivity, with quiet keys and a large touchpad for easy navigation
  • Broad Compatibility: Designed for use with Windows 7, Windows 8, Windows 10 and later, Android 7 or later, and Chrome OS
  • Durable and Reliable: The spill-resistant design (4) and long-lasting keys keep you on-track despite any mishaps
  • Upgrade to Logitech K830 Keyboard: For increased comfort, illuminated keys, USB/Bluetooth connectivity and a rechargeable battery try the K830 wireless keyboard. Touchpad Height: 2.99 in (76 mm), Width: 1.85 in (47 mm)

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Logitech Wireless Touch Keyboard K400 Plus with Built-In Touchpad for Internet-Connected TVs (Renewed) $21.99 FREE Shipping
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From the manufacturer

K400 Plus Wireless Keyboard with Touchpad
K400 Plus

Laid-back control of your PC connected TV

Navigate your TV-connected computer more easily from the comfort of your couch. With Logitech’s all-in-one TV keyboard/touchpad, simply type, click and scroll to watch videos, browse the web and check Facebook on your PC-connected TV.

k400

Integrated wireless keyboard with touchpad

Enjoy seamless control of your PC-to-TV entertainment, without the hassle and clutter of a separate keyboard and mouse. Comfortable, quiet keys and a large (3.5-inch) touchpad make navigation effortless.

K400
k400 plus wireless keyboard with touchpad

System Requirements

  • USB port required. Works with Windows 7, Windows 8, Windows 10 or later, Android 7.0 or later, ChromeOS
  • Internet Connection (for optional software download)

Product guides and documents

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Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black
Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black
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Price$26.99$23.99$39.99$39.99$26.99$24.99
Delivery
Get it as soon as Thursday, May 16
Get it May 16 - 20
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
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Customer Ratings
Ergonomic
4.0
5.0
4.0
4.3
4.2
4.2
Battery life
4.4
3.8
4.3
4.3
For gaming
2.9
4.0
2.8
3.1
Value for money
3.9
4.6
4.2
4.1
Easy to use
5.0
4.5
4.4
Sold By
Amazon.com
UltimateDeal4U
Arteck
Prestige Milano
teenemo
teenemo
connectivity tech
Unifying Receiver
RF
Bluetooth
USB-A, USB
Bluetooth
wireless
number of keys
84
78
104
84
84
hardware interface
usb2.0
usb
bluetooth
usb
bluetooth
bluetooth
compatible devices
PC, Laptop, Tablet, Smart TV, Smartphone
Gaming Console
Tablet, Smartphone, Smart TV, PC, Laptop
Laptop
Laptop
Laptop
keyboard description
wireless qwerty
Wireless
US
Ergonomic
Accessible
Accessible
operating system
 Windows 7, Windows 8, Windows 10, Chrome OS
chrome os|windows 7
Windows 7, Windows 8, Windows 10, MacOS, ios , Chrome OS, Android
Linux
Android,Mac,Windows
Android,Chrome Os,Mac,Windows

What's in the box

  • Wireless Touch Keyboard
  • USB range extender
  • Unifying receiver
  • User documentation
  • 2 AA batteries (pre-installed)
  • Looking for specific info?

    Product information

    Technical Details

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    Additional Information

    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    For warranty information about this product, please click here [PDF ]

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    Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black

    Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black


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    Product Description

    The Logitech Wireless Touch Keyboard K400 Plus lets you experience PC-to-TV entertainment the way you Watch video, browse the web, chat with friends and much more. The all-in-one keyboard with touchpad ends the hassle—and clutter—of multiple devices. And a 10-meter (33-foot) wireless range ensures your fun won’t be interrupted. Comfortable, quiet keys and a large (3.5-inch) touchpad make navigating entertainment effortless. Even setup is a snap thanks to the tiny, plug-and-play Unifying receiver. The 18-month battery life means you might even forget the keyboard needs batteries. 1 Wireless range may vary depending on operating environment and computer setup. Assumes up to two hours typing per day. Actual battery life will vary with use, settings and environmental conditions.

    Sustainability features

    Sustainability features

    This product has sustainability features recognized by trusted certifications.

    Carbon impact

    Carbon emissions from the lifecycle of this product were measured, reduced and offset.

    As certified by
    Carbon Neutral Certified by SCS Global Services Carbon Neutral Certified by SCS Global Services

    Carbon Neutral Certified by SCS Global Services enables companies to demonstrate carbon neutrality for their products by reducing carbon emissions throughout their operations and offsetting their remaining carbon footprint through the purchase of carbon credits. SCS Global Services is a global leader in third-party environmental and sustainability verification, certification, auditing, testing, and standards development. SCS is a chartered Benefit Corporation, reflecting its commitment to socially and environmentally responsible business practices.

    Learn more about this certification

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    35,894 global ratings

    Customers say

    Customers like the ease of use, size and value of the keyboard. For example, they mention it's easy to use, compact and a good fit for a media computer application. That said, they appreciate the performance, saying it works very well. That being said, opinions are mixed on quality, responsiveness, and touchpad.

    AI-generated from the text of customer reviews

    2,646 customers mention2,099 positive547 negative

    Customers like the performance of the keyboard. For example, they say it works perfectly for normal browsing, and it works great with Linux, Mac, and Windows. The setup works incredibly well when you pair the tablets with a wireless keyboard, and the keyboard delivers exceptional performance and style. The mouse pad still works, and works without the need for drivers. The trackpad's functionality has been refined, and is now more responsive.

    "...The setup works incredibly well when you pair the tablets with a wireless keyboard and mouse...." Read more

    "...• All in all a rock solid wireless keyboard that is rich in features without breaking the bank.-..." Read more

    "...NOT A SINGLE KEY IS STICKY/STICKING. the mouse pad still works, everything is somehow magically working the same as it was...." Read more

    "...It worked like a charm!..." Read more

    1,114 customers mention848 positive266 negative

    Customers like the ease of use of the keyboard. They say it's easy to use with the integrated keyboard and mouse on a single device. They also say it is pretty much plug and play, responsive, and easy to pair. Customers also say that it is easy to connect to the TV, works perfectly in a recliner, and is a very simple product.

    "...-less keyboard, but having the touch pad built into it makes it VERY convenient when you don't want to have to operate a separate mouse...." Read more

    "...This is a very simple product that is very convenient to use...." Read more

    "...depressed, providing adequate soft feedback when fully depressed, without clicking...." Read more

    "...What's worse, Logitech stiffened the mouse keys and it can be fairly tiring clicking, and clicking and holding...." Read more

    751 customers mention558 positive193 negative

    Customers like the size of the keyboard. They mention it's relatively small, perfect for sitting in their lap, and compact. Some say it'll be great for sim racers and simulator fans. They also say the built-in track pad is a great size for tight spaces and home theater control.

    "...PROS: • It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there. • Logitech designed..." Read more

    "...The keyboard is light weight and sized right...." Read more

    "Similar in size to a laptop keyboard, it's a good fit for a media computer application...." Read more

    "...It is a bit small to really use on your lap and it is light enough it would bounce terribly, making typing unreliable at best...." Read more

    598 customers mention595 positive3 negative

    Customers appreciate the value of the keyboard. They mention it's very inexpensive for a wireless keyboard and a wise purchase.

    "...it’s functionality with media. • Even though it’s price is very budget friendly, you will be surprised by just how well built it feels...." Read more

    "I still want to give it 3 or 4 stars because it's very inexpensive for a wireless keyboard and mouse combo. However, it has some annoyances...." Read more

    "...Overall, I like this keyboard especially it is affordable.One thing I wish the keyboard use rechargeable battery." Read more

    "...Otherwise this thing is truly impressive for the price." Read more

    490 customers mention438 positive52 negative

    Customers like the weight of the keyboard. They say it's very light, has a good weight, and is easier to travel with. Some mention that the keyboard is weighted perfectly and doesn't slide on their desk.

    "...It is light and easy to move around, but harder to lose than your TV remote!..." Read more

    "...The keyboard is a good weight to operate while holding in my hands and seems plenty sturdy for daily use, but not for unnecessary roughhousing - as..." Read more

    "...• It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there. • Logitech designed this..." Read more

    "...Well made light and portable, it looks great and is easy to use!..." Read more

    3,169 customers mention2,059 positive1,110 negative

    Customers are mixed about the quality of the keyboard. Some mention that it's well constructed, reliable, and easy to use, while others say that it is poor for its intended purpose, annoying to use for real typing, and hard to type in low light scenarios.

    "...The quality seems decent. I haven't had a chance to fully test it out just yet, but if I have any issues I'll update the review...." Read more

    "...This is a very simple product that is very convenient to use...." Read more

    "...It's pretty cheap and flimsy, I'm worried that it will break if I drop it on the floor or accidentally sit or step on it...." Read more

    "...good weight to operate while holding in my hands and seems plenty sturdy for daily use, but not for unnecessary roughhousing - as you might expect...." Read more

    695 customers mention418 positive277 negative

    Customers are mixed about the touchpad. Some mention that it operates exactly like the touchscreen, it's responsive and sensitive enough to respond to touch without being overly-sensitive. They love that the touch and scroll feature works. However, others say that it could use improvements as far as precision, it is fairly clunky, and has a draggy texture.

    "...The keyboard and touchpad worked immediately! Yay!..." Read more

    "...2. The touchpad seems to be particularly sensitive to moisture or oil from the skin on my fingers...." Read more

    "...This keyboard types well and has good tactile feedback. I use it on an old Belkin laptop desk for stability - it helps a lot...." Read more

    "...I got this keyboard for my elderly mom because it has a built-in touch pad. My mom has trouble clicking with the mouse button...." Read more

    464 customers mention251 positive213 negative

    Customers are mixed about the responsiveness of the keyboard. Some mention that it's very responsive, has no issue in speed typing accurately, and has no lag time. However, others say that with out keyboard, the mouse pad was very slow and almost impossible to use. The touchpad has a definite delay and the response time is not fantastic. It also starts to get sluggish and unresponsive a few feet away.

    "...Seems to be low latency when typing and mousing around, but this isn't the kind of thing I would use in my situation for hardcore gaming purposes..." Read more

    "...I hate using the numbers at the top of the keyboard - very slow and inefficient for doing any math related tasks. But, it is what it is...." Read more

    "...to “ON” and it instantly connected to my Series X and was flawlessly responsive, and had no sign of lag whatsoever...." Read more

    "...HOWEVER, and this likely more an issue with our TV, but the response time is NOT fantastic...." Read more

    Logitech once again delivers a fantastic product!
    5 Stars
    Logitech once again delivers a fantastic product!
    So I’ve had my Xbox Series X since it launched November 2020, and have been considering purchasing a wireless keyboard to solely use with it. Here recently more and more developers are including native keyboard and mouse support in their games, so the benefit of having a keyboard to use is growing. Since I did not plan to actually “play” the games with the keyboard, but instead use it for “QOL” enhancements, I didn’t want to spend a substantial amount of money on a wireless keyboard. After doing some research on gaming forums, and multiple Reddit /Subreddits, I continually kept seeing a specific Brand/Model of keyboard a lot of posters were suggesting. The keyboard being suggested was the “Logitech K400 Plus”, so I decided to pull the trigger and give it a shot…. I’m glad I did.The Keyboard arrived my house and I instantly noticed how insanely light weight it was. It’s weight was what shocked me initially, but the bigger shock was how well built and durable it felt, especially considering it’s budget friendly price point. So I removed the included USB-A dongle, and inserted it into my 4-port USB 3.0 hub plugged into my Xbox Series X. I flipped the keyboard switch to “ON” and it instantly connected to my Series X and was flawlessly responsive, and had no sign of lag whatsoever. What I didn’t pay much attention to when I researched and decided to purchase the “K400 Plus” was the functionality it possesses pertaining to “Multimedia”. Logitech designed this keyboard to be the perfect “couch” companion for use with smart tv’s, especially tv’s with native web browser applications. So this keyboard became that much better of an addition to my Series X. All of the playback multimedia buttons work perfectly with my Series X, and since Microsoft manufactures the Xbox systems and this keyboard is geared towards “Windows” based computing, the two handshake together in perfect harmony.Another neat features of this keyboard is the “Left Click (Mouse)” button that is situated in the very top right corner of the keyboard. When I first looked at the Left Click button location I was somewhat confused as to why it would be beneficial in that location. It didn’t take long for me to realize it’s genius though, and I can confirm that it is brilliantly placed in the perfect location. I launched the “Microsoft Edge” browser on my Series X, and instantly realized how perfect it was while scrolling the webpages with my right hand on the touchpad, and being able to use the button to click everything I needed to seamlessly. All in all I love this wireless keyboard, and IMO it’s the hands down best budget wireless keyboard on the market. I’ve attached some photos (they didn’t turn out that great due to room darkness) that will hopefully give you an idea of its size.- PROS: • It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there. • Logitech designed this keyboard for media consumption, so it excels in it’s functionality with media. • Even though it’s price is very budget friendly, you will be surprised by just how well built it feels. • Button clicks feel very tactile and solid, and IMO have the perfect “Spacing” for ease of use. • It’s manufactured by Logitech, and Logitech has world class customer service if something doesn’t function correctly after your keyboard purchase. • All in all a rock solid wireless keyboard that is rich in features without breaking the bank.- CONS: • In all reality I honestly can’t list anything that I feel is a con, but I will list some things that potentially could of placed multiple cherries on top. • This keyboard used AA batteries (2) for it power source, and I imagine some people would of preferred a rechargeable Li-Po battery, but quite frankly I could care less. I personally like being able to simply change batteries when it dies and instantly go back to using it, versus being unable to use it while it has to charge, but to each his own. • If this keyboard had backlit keys it would be pretty awesome, but I wouldn’t expect it to considering it’s price point. Nonetheless it would enhance it’s appeal that much more. • It would be nice to have bluetooth functionality but at this price point it would be shocking if Logitech had designed it with bluetooth support. In my individual case, the Xbox Series X can only use keyboards via USB-A connection (Wired or Wireless w/ Dongle), so bluetooth wouldn’t benefit my application at all but having the ability to use it with other devices would never hurt.
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    Top reviews from the United States

    Reviewed in the United States on December 17, 2022
    Style: PLUSPattern: FloralVerified Purchase
    So I’ve had my Xbox Series X since it launched November 2020, and have been considering purchasing a wireless keyboard to solely use with it. Here recently more and more developers are including native keyboard and mouse support in their games, so the benefit of having a keyboard to use is growing. Since I did not plan to actually “play” the games with the keyboard, but instead use it for “QOL” enhancements, I didn’t want to spend a substantial amount of money on a wireless keyboard. After doing some research on gaming forums, and multiple Reddit /Subreddits, I continually kept seeing a specific Brand/Model of keyboard a lot of posters were suggesting. The keyboard being suggested was the “Logitech K400 Plus”, so I decided to pull the trigger and give it a shot…. I’m glad I did.

    The Keyboard arrived my house and I instantly noticed how insanely light weight it was. It’s weight was what shocked me initially, but the bigger shock was how well built and durable it felt, especially considering it’s budget friendly price point. So I removed the included USB-A dongle, and inserted it into my 4-port USB 3.0 hub plugged into my Xbox Series X. I flipped the keyboard switch to “ON” and it instantly connected to my Series X and was flawlessly responsive, and had no sign of lag whatsoever. What I didn’t pay much attention to when I researched and decided to purchase the “K400 Plus” was the functionality it possesses pertaining to “Multimedia”. Logitech designed this keyboard to be the perfect “couch” companion for use with smart tv’s, especially tv’s with native web browser applications. So this keyboard became that much better of an addition to my Series X. All of the playback multimedia buttons work perfectly with my Series X, and since Microsoft manufactures the Xbox systems and this keyboard is geared towards “Windows” based computing, the two handshake together in perfect harmony.

    Another neat features of this keyboard is the “Left Click (Mouse)” button that is situated in the very top right corner of the keyboard. When I first looked at the Left Click button location I was somewhat confused as to why it would be beneficial in that location. It didn’t take long for me to realize it’s genius though, and I can confirm that it is brilliantly placed in the perfect location. I launched the “Microsoft Edge” browser on my Series X, and instantly realized how perfect it was while scrolling the webpages with my right hand on the touchpad, and being able to use the button to click everything I needed to seamlessly. All in all I love this wireless keyboard, and IMO it’s the hands down best budget wireless keyboard on the market. I’ve attached some photos (they didn’t turn out that great due to room darkness) that will hopefully give you an idea of its size.

    - PROS:
    • It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there.
    • Logitech designed this keyboard for media consumption, so it excels in it’s functionality with media.
    • Even though it’s price is very budget friendly, you will be surprised by just how well built it feels.
    • Button clicks feel very tactile and solid, and IMO have the perfect “Spacing” for ease of use.
    • It’s manufactured by Logitech, and Logitech has world class customer service if something doesn’t function correctly after your keyboard purchase.
    • All in all a rock solid wireless keyboard that is rich in features without breaking the bank.

    - CONS:
    • In all reality I honestly can’t list anything that I feel is a con, but I will list some things that potentially could of placed multiple cherries on top.
    • This keyboard used AA batteries (2) for it power source, and I imagine some people would of preferred a rechargeable Li-Po battery, but quite frankly I could care less. I personally like being able to simply change batteries when it dies and instantly go back to using it, versus being unable to use it while it has to charge, but to each his own.
    • If this keyboard had backlit keys it would be pretty awesome, but I wouldn’t expect it to considering it’s price point. Nonetheless it would enhance it’s appeal that much more.
    • It would be nice to have bluetooth functionality but at this price point it would be shocking if Logitech had designed it with bluetooth support. In my individual case, the Xbox Series X can only use keyboards via USB-A connection (Wired or Wireless w/ Dongle), so bluetooth wouldn’t benefit my application at all but having the ability to use it with other devices would never hurt.
    Customer image
    5.0 out of 5 stars Logitech once again delivers a fantastic product!
    Reviewed in the United States on December 17, 2022
    So I’ve had my Xbox Series X since it launched November 2020, and have been considering purchasing a wireless keyboard to solely use with it. Here recently more and more developers are including native keyboard and mouse support in their games, so the benefit of having a keyboard to use is growing. Since I did not plan to actually “play” the games with the keyboard, but instead use it for “QOL” enhancements, I didn’t want to spend a substantial amount of money on a wireless keyboard. After doing some research on gaming forums, and multiple Reddit /Subreddits, I continually kept seeing a specific Brand/Model of keyboard a lot of posters were suggesting. The keyboard being suggested was the “Logitech K400 Plus”, so I decided to pull the trigger and give it a shot…. I’m glad I did.

    The Keyboard arrived my house and I instantly noticed how insanely light weight it was. It’s weight was what shocked me initially, but the bigger shock was how well built and durable it felt, especially considering it’s budget friendly price point. So I removed the included USB-A dongle, and inserted it into my 4-port USB 3.0 hub plugged into my Xbox Series X. I flipped the keyboard switch to “ON” and it instantly connected to my Series X and was flawlessly responsive, and had no sign of lag whatsoever. What I didn’t pay much attention to when I researched and decided to purchase the “K400 Plus” was the functionality it possesses pertaining to “Multimedia”. Logitech designed this keyboard to be the perfect “couch” companion for use with smart tv’s, especially tv’s with native web browser applications. So this keyboard became that much better of an addition to my Series X. All of the playback multimedia buttons work perfectly with my Series X, and since Microsoft manufactures the Xbox systems and this keyboard is geared towards “Windows” based computing, the two handshake together in perfect harmony.

    Another neat features of this keyboard is the “Left Click (Mouse)” button that is situated in the very top right corner of the keyboard. When I first looked at the Left Click button location I was somewhat confused as to why it would be beneficial in that location. It didn’t take long for me to realize it’s genius though, and I can confirm that it is brilliantly placed in the perfect location. I launched the “Microsoft Edge” browser on my Series X, and instantly realized how perfect it was while scrolling the webpages with my right hand on the touchpad, and being able to use the button to click everything I needed to seamlessly. All in all I love this wireless keyboard, and IMO it’s the hands down best budget wireless keyboard on the market. I’ve attached some photos (they didn’t turn out that great due to room darkness) that will hopefully give you an idea of its size.

    - PROS:
    • It’s size is perfect for sitting in your lap, and honestly it’s so light you will forget it is even there.
    • Logitech designed this keyboard for media consumption, so it excels in it’s functionality with media.
    • Even though it’s price is very budget friendly, you will be surprised by just how well built it feels.
    • Button clicks feel very tactile and solid, and IMO have the perfect “Spacing” for ease of use.
    • It’s manufactured by Logitech, and Logitech has world class customer service if something doesn’t function correctly after your keyboard purchase.
    • All in all a rock solid wireless keyboard that is rich in features without breaking the bank.

    - CONS:
    • In all reality I honestly can’t list anything that I feel is a con, but I will list some things that potentially could of placed multiple cherries on top.
    • This keyboard used AA batteries (2) for it power source, and I imagine some people would of preferred a rechargeable Li-Po battery, but quite frankly I could care less. I personally like being able to simply change batteries when it dies and instantly go back to using it, versus being unable to use it while it has to charge, but to each his own.
    • If this keyboard had backlit keys it would be pretty awesome, but I wouldn’t expect it to considering it’s price point. Nonetheless it would enhance it’s appeal that much more.
    • It would be nice to have bluetooth functionality but at this price point it would be shocking if Logitech had designed it with bluetooth support. In my individual case, the Xbox Series X can only use keyboards via USB-A connection (Wired or Wireless w/ Dongle), so bluetooth wouldn’t benefit my application at all but having the ability to use it with other devices would never hurt.
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    Reviewed in the United States on October 12, 2021
    Style: PLUSPattern: FloralVerified Purchase
    This review is for the Logitech K400 Wireless Touch TV Keyboard.
    ----------------------------------------------------------------
    Update, July 20, 2023
    This wireless keyboard still functions like new, but there is one additional quirk discovered since the original review below. Quite often when using the volume controls on the keyboard to raise or lower volume, those two buttons will instead turn off sound entirely. It's a mild nuisance, and only requires pressing the adjacent volume on/off button. Still love this keyboard and use it nearly every day!
    ----------------------------------------------------------------
    October 12, 2021
    Wireless keyboards have been around for many years with many brands now available. As far as function, they're all pretty much the same. I've used a few of them over the years and have been happy with this particular device so far.

    This Logitech K400 Wireless Touch TV Keyboard performs just as you'd expect, with a full-sized standard keyboard layout and a built-in touchpad on the far right. It's perfect for controlling my old laptop that is now connected to my TV. The farthest away I've used it is about 15 feet from the laptop and it has worked flawlessly at that distance. The keys have a nice feel when depressed, providing adequate soft feedback when fully depressed, without clicking. The touchpad is adequate but does have some quirks as described below.

    The transmitter operates in the 2.4 GHz band, so theoretically could interfere with your wireless network and other wireless devices, although I've used this keyboard extensively and haven't noticed any issues.

    The Function keys are claimed to be customizable to create shortcuts. I don't have a use for that capability, so haven't tried it and can't comment on how it's implemented. I've only used this wireless keyboard on Windows 10 computers, but the specs say it works on 'Windows 7, 8, 10 or later, Android 5.0 or later, Chrome OS'.

    The Volume buttons immediately above the touchpad come in very handy. Be aware though, they control system volume and not the volume of individual applications. To control the volume of a single application, use the on-screen controls for that application.

    The keyboard is a good weight to operate while holding in my hands and seems plenty sturdy for daily use, but not for unnecessary roughhousing - as you might expect. It operates on 2 AA batteries which last a long, long time, taking several months of daily use to deplete. (And that's without turning the power switch off.)

    USABILITY NOTES:
    =================
    SIGNAL STRENGTH -
    The signal seems to be very strong, but the keyboard must have a line-of-sight, unobstructed view of the receiver. For instance, when using the keyboard in my lap the signal doesn't reach the receiver if my legs are crossed or my knees elevated so the front of the keyboard can't quite 'see' the receiver. Similarly, I've found that if the keyboard front is facing 90 degrees away from the receiver, the signal is not received. Not big issues, but they may be important to some people.

    TOUCHPAD QUIRKS -
    1. As stated above, the touchpad does have some quirks. On two occasions the touchpad all of a sudden started to ONLY control screen magnification - increasing and decreasing as I dragged one finger across the surface. I've never determined the cause but in one instance, only removing the battery remedied the strange behavior.

    2. The touchpad seems to be particularly sensitive to moisture or oil from the skin on my fingers. Meaning, it sometimes simply stops working properly until I thoroughly wipe my fingers with a dry cloth. This is a common issue when using touchpads, but this one is more sensitive than any others I have used, or currently use.

    MYSTERIOUS YELLOW BUTTON -
    1. The yellow button at the upper left of the keyboard is poorly documented and I've seen many posts asking what the heck it does. After more research than expected I found it simply functions as a left mouse button, and I've found it most useful when holding the keyboard in my hands. That way, fingers on the right hand work the touchpad and the left thumb presses the yellow button to select things. After about 5 minutes of practice it seems natural.

    2. Some Windows OS menus and windows won't respond to the yellow button. There doesn't seem to be any predictable pattern as to which items will or will-not respond to the yellow button - but when that happens, the left button under the touchpad must be used.

    FOUR WAYS TO SCROLL A WINDOW -
    There are four ways to scroll a window; Pick the one that seems most natural to you.
    1. Press and hold the Function [FN] button while dragging a finger up/down on the touchpad.
    2. Position the arrow pointer over the scroll bar slider; Press the Yellow Button; Drag your finger up/down on the touchpad.
    3. Click the mouse pointer on an inactive part of the screen, then use the Up and Down buttons in the lower right part of the keyboard.
    3. As with most touchpads, drag two fingers horizontally or vertically.

    I use this keyboard daily and have been very happy with it. It has a few quirks, but nothing close to a deal breaker. If you need a wireless keyboard, give this one a try.

    Highly recommended!
    36 people found this helpful
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    Top reviews from other countries

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    Erika
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on September 4, 2023
    Style: PLUSPattern: FloralVerified Purchase
    Llegó en buen estado y antes de lo previsto.
    Funcionó correctamente.
    Johnny
    2.0 out of 5 stars Prático, porem pouco útil
    Reviewed in Brazil on March 30, 2023
    Style: PLUSPattern: FloralVerified Purchase
    O produto é adequado ao seu custo, porem o trackpad (mouse de note) é simplesmente horrível.
    Pouco sensível, lento e os cliques parecem que desmontam o teclado.
    Não gostei do produto e se pudesse devolveria e trocaria por um mouse sem fio com teclado sem fio separados.
    sPuTnik
    5.0 out of 5 stars Excellent Compact Wireless Keyboard with Integrated Mouse Pad.
    Reviewed in Canada on July 13, 2022
    Style: PLUSPattern: FloralVerified Purchase
    This review evaluates the “K400 Plus Wireless Touch TV Keyboard” made by LOGITECH.

    The product was shipped with no excessive or wasteful packaging and all components were contained snugly in the box. What’s in the box: one (1) Wireless Touch TV keyboard, one (1) Logi “Thunderbolt” wireless USB-A transmitter, two (2) AA alkaline batteries, and user instructions. This keyboard took almost a month to be shipped to me however; it was well worth the wait.

    First impressions: Solid, compact, and lightweight. This keyboard is well made and nicely laid out with an integrated mouse touchpad on your right-hand side. It has minimal flex and a nice rigid feel. The keyboard connects to your PC via a USB-A transmitter key. It is powered by two (2) AA alkaline batteries (provided) which can last for up to 18 months of use (based on 2 hours per day). There is an ON/OFF switch on the front of the keyboard to preserve battery life when not in use.

    Keyboards are a very “personal” piece of sensory input equipment; you will never please everyone with how the keys “feel” and perform in the hands of the operator. This keyboard has a nice soft yet responsive input and is comfortable to type on. The integrated mouse pad feels identical to that of a laptop. The keyboard has decent range, I tested it at multiple distances up to 15 feet with no loss of connection.

    Cost-effectiveness and value: Overall I am very impressed with the product, it is well made, compact, and does a good job. I was looking for a compact keyboard with an integrated mouse pad that utilized a small footprint on my shop workbench… This fits the bill to a tee. At a current price of $39.99, I feel it is fairly priced for the functionality and convenience delivered.

    In summary: the “K400 Plus Wireless Touch TV Keyboard” made by LOGITECH is well made, compact, and does the job it should. I would recommend this product without reservation.

    Pros 👍:
    ✔ Well-made using quality materials.
    ✔ Solid, compact, and lightweight.
    ✔ Nice responsive soft-touch keys.
    ✔ Integrated mouse pad.
    ✔ Wireless connectivity via RF USB-A transmitter key.
    ✔ Good connectivity distance – up to 33 feet.
    ✔ Long battery life – up to 18 months based on 2 hours use per day.
    ✔ Fairly priced and good value.

    Cons👎:
    ✘ None!
    Customer image
    sPuTnik
    5.0 out of 5 stars Excellent Compact Wireless Keyboard with Integrated Mouse Pad.
    Reviewed in Canada on July 13, 2022
    This review evaluates the “K400 Plus Wireless Touch TV Keyboard” made by LOGITECH.

    The product was shipped with no excessive or wasteful packaging and all components were contained snugly in the box. What’s in the box: one (1) Wireless Touch TV keyboard, one (1) Logi “Thunderbolt” wireless USB-A transmitter, two (2) AA alkaline batteries, and user instructions. This keyboard took almost a month to be shipped to me however; it was well worth the wait.

    First impressions: Solid, compact, and lightweight. This keyboard is well made and nicely laid out with an integrated mouse touchpad on your right-hand side. It has minimal flex and a nice rigid feel. The keyboard connects to your PC via a USB-A transmitter key. It is powered by two (2) AA alkaline batteries (provided) which can last for up to 18 months of use (based on 2 hours per day). There is an ON/OFF switch on the front of the keyboard to preserve battery life when not in use.

    Keyboards are a very “personal” piece of sensory input equipment; you will never please everyone with how the keys “feel” and perform in the hands of the operator. This keyboard has a nice soft yet responsive input and is comfortable to type on. The integrated mouse pad feels identical to that of a laptop. The keyboard has decent range, I tested it at multiple distances up to 15 feet with no loss of connection.

    Cost-effectiveness and value: Overall I am very impressed with the product, it is well made, compact, and does a good job. I was looking for a compact keyboard with an integrated mouse pad that utilized a small footprint on my shop workbench… This fits the bill to a tee. At a current price of $39.99, I feel it is fairly priced for the functionality and convenience delivered.

    In summary: the “K400 Plus Wireless Touch TV Keyboard” made by LOGITECH is well made, compact, and does the job it should. I would recommend this product without reservation.

    Pros 👍:
    ✔ Well-made using quality materials.
    ✔ Solid, compact, and lightweight.
    ✔ Nice responsive soft-touch keys.
    ✔ Integrated mouse pad.
    ✔ Wireless connectivity via RF USB-A transmitter key.
    ✔ Good connectivity distance – up to 33 feet.
    ✔ Long battery life – up to 18 months based on 2 hours use per day.
    ✔ Fairly priced and good value.

    Cons👎:
    ✘ None!
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    2 people found this helpful
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    Krishna Gamer
    5.0 out of 5 stars As Expected 🥰🥰
    Reviewed in India on July 30, 2023
    Style: PLUSPattern: FloralVerified Purchase
    As expected the product is good ✨

    I am using it no problem working fine and good . Hope the same ☺️

    I purchased it at 3.7K I would say it totally vrat the price the prices fluctuating from 3.22K to 3.7K so check when the price is dropping or you might purchase at the same price where I have purchased this thing 😅

    Overall the product is good not complaint about the product but the prices likely higher side because at this price you would better get an mechanical keyboard but the main feature in this keyboard is keyboard and the mouse pad so this is the highlight selling it High 🥵

    But totally worth every penny which I have spend in the product ❤️❤️
    Customer image
    Krishna Gamer
    5.0 out of 5 stars As Expected 🥰🥰
    Reviewed in India on July 30, 2023
    As expected the product is good ✨

    I am using it no problem working fine and good . Hope the same ☺️

    I purchased it at 3.7K I would say it totally vrat the price the prices fluctuating from 3.22K to 3.7K so check when the price is dropping or you might purchase at the same price where I have purchased this thing 😅

    Overall the product is good not complaint about the product but the prices likely higher side because at this price you would better get an mechanical keyboard but the main feature in this keyboard is keyboard and the mouse pad so this is the highlight selling it High 🥵

    But totally worth every penny which I have spend in the product ❤️❤️
    Images in this review
    Customer image
    Customer image
    One person found this helpful
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    Keithg1957
    5.0 out of 5 stars Logitech K400 Wireless Keyboard
    Reviewed in Australia on February 1, 2024
    Style: PLUSPattern: FloralVerified Purchase
    Excellent quality wireless keyboard, much prefer Logitech brand name to other brands, purchased to connect to my media centre, highly recommended keyboard.