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roborock S6 Robot Vacuum, Robotic Vacuum Cleaner and Mop with Adaptive Routing,Multi-Floor Mapping, Selective Room Cleaning, Super Strong Suction, and Extra Long Battery Life, Works with Alexa(Black)

4.4 4.4 out of 5 stars 2,638 ratings

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Gray
This item is certified to work with Alexa
WORKS WITH ALEXA
Add voice control by combining with an Alexa device
Brand roborock
Model Name roborock S6
Special Feature Selective Room Cleaning
Color Gray
Product Dimensions 14"L x 14"W x 4"H
Surface Recommendation
Carpet
Controller Type
vera, Amazon Alexa
Battery Cell Composition
Lithium Ion
Item Weight
3.2 Pounds

About this item

  • Astonishingly efficient: Using adaptive routing with edge optimized cleaning, S6 gives you comprehensive room cleaning fast.
  • Multi-floor Mapping: Save multiple maps, along with No-go Zones for each level, all recognized automatically by the robot.
  • Convenient Selective Room Cleaning: Choose which rooms to be clean, and schedule cleaning for specific rooms.
  • Powerful clean and Easy mopping:Intense suction, cleans deep into carpets and cracks in the floor. Get your floors gleaming with a quick mop.
  • Quiet and convenient: With a cleaning volume of just 67db (equivalent to a typical conversation) in Balanced mode, you can clean any time day or night without disruption.

Customer ratings by feature

Noise level
4.5 4.5
Suction power
4.4 4.4
Remote Control
4.3 4.3
Alexa integration
3.9 3.9

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roborock S6 Robot Vacuum, Robotic Vacuum Cleaner and Mop with Adaptive Routing,Multi-Floor Mapping, Selective Room Cleaning, Super Strong Suction, and Extra Long Battery Life, Works with Alexa(Black)
roborock S6 Robot Vacuum, Robotic Vacuum Cleaner and Mop with Adaptive Routing,Multi-Floor Mapping, Selective Room Cleaning, Super Strong Suction, and Extra Long Battery Life, Works with Alexa(Black)
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Shark AI Ultra Voice Control Robot Vacuum with Matrix Clean Navigation, Home Mapping, 60-Day Capacity, Self-Empty Base for Homes with Pets, Carpet & Hard Floors (Silver/Black)
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PriceCurrently unavailable.-49% $219.99
List:$429.99
$549.99$699.99$16.99$508.99
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Suction power
4.4
4.1
4.3
4.3
3.9
3.8
For deep cleaning
3.7
3.8
3.9
3.7
3.3
3.4
Value for money
3.8
4.1
4.1
3.7
4.0
Noise level
4.5
3.9
4.3
3.8
Alexa integration
3.9
3.9
3.6
4.4
Sold By
Roborock Technology Co. Ltd
Amazon.com
Roborock Technology Co. Ltd
Roborock Technology Co. Ltd
pexils
surface suggestion
Carpet
Hard Floor, wood, carpet
Hard Floor, Carpet, Wood, Tile
Carpet, Marble, Wood, Tile, Upholstery
Hard floor
Carpet & Hard Floors
runtime
180 minutes
240 minutes
0 seconds
batteries included
battery average life
180 minutes
180 minutes
240 minutes
60 minutes
60 days
compatible devices
Amazon Echo
Amazon Echo, Google Home, Smartphones
Smartphones, Google Home, Amazon Echo
Smartphones, Amazon Echo, Google Home
Amazon Echo
Amazon Alexa, Google Assistant
weight
3.15 pounds
7 pounds
13 pounds
16.5 pounds
15.25 pounds

From the brand


Product Description

robot vacuum

Defeat dirt with Roborock S6. Serious processing power means it not only maps, it recognizes rooms and understands their shape. Now you can set schedules to clean one room, many rooms, or your whole house. Plus S6 will find the fastest route to clean each room based on its shape. It has the suction power to even lift AA batteries, yet it is quiet enough to clean in the dead of night. It is not just a vacuum. Snap on its mop to bring your floors to a truly shiny gleam. With S6 in your home, no dust is safe.

-App and Voice Control:

Set schedules, clean specific rooms, set water flow, and more from an app. Use Alexa,Siri(only in roborock app) or Google Home for comprehensive voice control options.

Note: 2.4Ghz Wi-Fi required for the app connection

-Floating main brush and variable speed side brush combination:

A floating main brush keeps the brush at the optimum height for cleaning regardless of floor type. The variable side brush speeds up to clear corner dirt, but slows away from edges to prevent flicking dirt around the room.

-Adjustable water flow:

Control how much water you need to clean your floors.

roborock s6

robot vacuum

strong suction robot vacuum

robot vacuum and mop

Adaptive routing algorithm

S6 can learn and understand the shape of each room and the placement of obstacles in your home, so it can choose the best route for a fast clean. For instance, it cleans corridors along their length, not by shuffling back and forth along their width.

Selective room cleaning

Choose a specific room or multiple rooms for an immediate clean or set cleaning schedules for different rooms at different times of day.

Intense suction

2000Pa of suction power, enough to lift AA batteries, easily lifts dirt off hardwood floors and dredges it up from deep inside carpet fibres.

Virtual no-go zone and barriers

Protect fragile items and stop S6 from entering rooms with a few taps in an app. No magnetic tape, no add-on purchases.

robotic vacuum and mop

robotic vacuum

robotic vacuum

robot vacuum cleaner

Carpet Pressurization

When a carpet is sensed, S6 increases suction to maximum to give carpets a more thorough clean.

*Use on low-pile carpets, tile, wooded and hardwood floors. Not suitable for high-pile or hard carpets.

Auto Top-up

If cleaning an unusually large space, S6 will return to its charging dock when power runs low and recharge to 80% before continuing cleanup from where it left off.

14 types of sensor

A wide range of sensors ensure S6 is able to navigate your home smoothly and thoroughly. These include a precision accuracy laser rangefinder, infra-red cliff sensors that constantly scan for drops such as stairs, a carpet sensor that triggers a power boost on carpets, and much more.

0.8in climbing

Large wheels and high torque motors drive S6 over thresholds between rooms and up onto carpets without pause.

S6 robot vacuum robot vacuum cleaner s6 pure robot vacuum robotic vacuum cleaner robot vacuum robot vacuum
S6 S6 MaxV S6 Pure S5 MAX S4 Max S7
Customer Reviews
4.4 out of 5 stars
2,638
4.3 out of 5 stars
3,525
4.4 out of 5 stars
3,709
4.4 out of 5 stars
4,752
4.6 out of 5 stars
3,587
4.3 out of 5 stars
3,796
Navigation Lidar navigation+SLAM Dual Cameras with Lidar Navigation Lidar navigation+SLAM Lidar navigation+SLAM Lidar navigation+SLAM Lidar navigation+SLAM
Map Real-time mapping Real-time mapping with Remote Viewing Real-time mapping Real-time mapping Real-time mapping Real-time mapping
Max suction 2000Pa 2500Pa 2000Pa 2000Pa 2000Pa 2500Pa
Multi-floor map-saving
Virtual no-go zone & barriers, selective cleaning
Runtime per charge(quiet mode) 180 minutes 180 minutes 180 minutes 180 minutes 180 minutes 180 minutes
Sweeping and mopping App controlled mopping App controlled mopping Sonic Mopping
Carpet boost
Auto top-up

Product guides and documents

Product information

Feedback

roborock S6 Robot Vacuum, Robotic Vacuum Cleaner and Mop with Adaptive Routing,Multi-Floor Mapping, Selective Room Cleaning, Super Strong Suction, and Extra Long Battery Life, Works with Alexa(Black)


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
2,638 global ratings

Customers say

Customers like the noise level, performance, ease of cleaning, and suction of the robotic vacuum cleaner. For example, they mention that it's very quiet, does a really good job, and that the app seems to work well. That said, opinions are mixed on value, quality, and navigation.

AI-generated from the text of customer reviews

363 customers mention295 positive68 negative

Customers like the performance of the robotic vacuum cleaner. For example, they say it works well, is very effective, and gets caught up very rarely. Some mention that the app works great and the vacuum cleans floors within 43 minutes. That said, most are happy with the performance and say that it works with their preferences and fits their lifestyle.

"...the best software features being labeled "beta", the product acts and feels mature. I Expect to buy one or two more S5s or S6s. Highly recommended." Read more

"...been using this everyday to keep things dust free, and the results are excellent...." Read more

"...quirks with this vacuum, it is the only vacuum that works with my preferences and fits my lifestyle...." Read more

"...It's also great about not sucking up the dogs toys...." Read more

296 customers mention230 positive66 negative

Customers like the ease of cleaning with the robotic vacuum cleaner. They say it does a good job cleaning, has a mopping feature, and can clean under furniture. Customers also say it keeps the house a fair bit cleaner than they could without its help. They mention that it is easy to use and gives them many options for cleaning their floors. The vacuum itself does a great job vacuuming, picking up more dirt, dust, and dog hair than other models. It is great for vacuuming both carpets and hardwood floors, and has impressive suction power.

"...fairly quiet operation, and a real map with the ability to selectively clean rooms and areas and apply keep out zones - with the added bonus of an..." Read more

"...It worked! Sensed the edges perfectly and did an organized cleaning of the whole top...." Read more

"...Clean shiny floors with no dirt to see around (And this includes dining room with 2 toddlers, my dear friends)..." Read more

"...Lastly, the vacuum itself does a great job vacuuming, and it even comes with a few nice touches that I took for granted with other vacuums...." Read more

286 customers mention210 positive76 negative

Customers like the ease of use of the robotic vacuum cleaner. They say the app is easy to use, the integration with the app seamless, and the UI is intuitive. They also say the mapping and setting up was fairly simple, and it was super easy to get started. Customers like that the vacuum automatically avoids obstacles and creates a map of their house once it does the first vacuum session.

"...I was pleasantly surprised that all steps were smooth, fast and easy and I didn’t even have to check either user manual it was intuitive and the app..." Read more

"...The components are individually bagged. The vacuum arrives already assembled (there is no battery pack or filter to install), and the docking..." Read more

"...The fact that it determines the shape of a given room and then cleans in a linear pattern the long way of the room makes it very fast...." Read more

"...+ Maintenance is relatively easy to do.CONS- Manuals are not great and it took us a while to setup and understand fully...." Read more

223 customers mention195 positive28 negative

Customers like the suction of the robotic vacuum cleaner. They mention that it has great power, and it automatically switches suction on carpets vs floors. They also appreciate the mopping function, saying that it works great. Customers also like the multi-level feature, saying they can vacuum all levels in the house.

"...areas and apply keep out zones - with the added bonus of an included mopping unit which can be effectively confined to desired mopping areas using..." Read more

"...There are provisions for mopping, in terms of on-board water, a metering mechanism, and mop attachments...." Read more

"...The mop option was a bonus as I was I didn't necessarily want or need a mop function...." Read more

"...This is nice too, as it keeps the vacuum station area nice and tidy, and the charging station can be pressed flush up to the wall...." Read more

92 customers mention64 positive28 negative

Customers are mixed about the navigation of the robotic vacuum cleaner. Some mention that the mapping function is amazing, outstanding, and impressive. They say it navigates the chairs impressively and the vacuum pattern tracking works great. However, others say that they are disappointed with the mapping ability, saying that the maps the robot generated were poor and it keeps forgetting them.

"...There are provisions for mopping, in terms of on-board water, a metering mechanism, and mop attachments...." Read more

"...The robot is continuously mapping when it runs, as well...." Read more

"...~Map deteriorates over time and the machine gets confused. Could not find a way to archive a baseline map..." Read more

"...I also love the mapping function. It’s still technically in Beta, but it is awesome...." Read more

90 customers mention79 positive11 negative

Customers like the noise of the robotic vacuum cleaner. They mention that it is extremely quiet for a vacuum cleaner, even on the loudest setting. Some customers also mention that the vacuum talks.

"...all the features I wanted - acceptable cleaning performance, fairly quiet operation, and a real map with the ability to selectively clean rooms and..." Read more

"...The S6 did move a light metal waterbowl around a little. The vacuum is quiet enough that it didn't freak out my 3 small dogs...." Read more

"...I never expected that level of acceptance with this dog. The unit is very quiet, which helps both us and the dog...." Read more

"...It moves from area to area repeating the same pattern. It talks! When it’s done it lets you know it’s heading back to the dock and it’s charging...." Read more

99 customers mention64 positive35 negative

Customers are mixed about the value of the robotic vacuum cleaner. Some mention that it's worth the price, while others say that it isn't worth the money. Some say the vacuum is expensive, while other say it'll last for years.

"...If you're thinking about getting one of these machines, it's worth the investment and saves time." Read more

"...Half the price and you get a terrific little sucker! Also if you have a 2 story house, it will store both floors in the programming...." Read more

"...Comes with several accessories (see pictures).It is pricey tbh. Is it worth the upgrade over the s50? I don't think so...." Read more

"...more hours on my S5 so wear and tear being what it is, it's still money well spent...." Read more

77 customers mention30 positive47 negative

Customers are mixed about the quality of the robotic vacuum cleaner. Some mention it's well constructed, with decent workmanship. The brush components seem to be sturdy, and the system is very robust to disturbances. However, others say that the mop part is okay, not the best, and that the construction is poor.

"...But after a month or so, the vacuum would error-out AND stop every time it runs. Both of my vacuums do this now...." Read more

"...The unit seems well made, with decent workmanship, but my personal experience with its longevity is nonexistent, since the unit is new to me..." Read more

"...function, it does pick up some fine dust and dirt but can not compete with a good old mop." Read more

"...remains to be seen how long this unit will last, but it is very well constructed and quite solid...." Read more

Excellent robot vaccum (see details).  Highly recommended
5 Stars
Excellent robot vaccum (see details). Highly recommended
To the world, I am an early adopter. However, the thing to know is that, even within early adoption, there are different levels. For example, when Tesla released the Model S in 2012, I instantly KNEW I wanted one. I ended up buying one 3 years later. Sometimes I'm on the bleeding edge of technology, but when I'm not so sure about its viability or sustainability, I will sometimes wait a beat. When Roombas made a splash in the early 2000s I was skeptical... mostly about limitations due to battery technology (runtime, suction), but also intelligence (processing power, sensor suite, firmware progamming). Friends and coworkers would buy robot vacuums, but then stick them in a closet after a while. Fast forward to late 2019, and I think I might finally have my vacuum!The Roborock S6 Robot Vacuum is really the first product of its type that I thought would work for my use case. My house was built in the early 80s, so it has some architectural quirks that newer homes don't have. The house has two stories, but that's not really that unusual - what's a bit different is that various sections of the house are sunken or raised by a half a foot. It's visually interesting, but a robot vacuum isn't going to parkour its way around the place. The largest contiguous areas at the same elevation are about 1400sqft, 900sqft, 1700sqft, and 1200sqft. It's a big house. The "cliff" sensor in the S6 is super important, with the dropoffs. I figured I'd get an S6, see how it worked in one area of the house. If it worked out, I might get 2 or 3 more.The S6 arrives in a series of Russian nesting boxes. When you get to the actual retail box, the packaging is slick and professional. The components are individually bagged. The vacuum arrives already assembled (there is no battery pack or filter to install), and the docking station, power cable, documentation, mop components, tray, and extra filter are also included. Preparing the S6 consists of putting the power cable in the base (you can choose which side to route the power cable out (nice touch). I was a little surprised that there was no way to secure the base to the floor or baseboard... the base has anti-skid rubber pads, but some people may want to opt for a more permanent and cleaner (ha) solution.Next, I put the robot on the charger (it arrived charged to about 60%). I downloaded and installed the Roborock app from the Google Play store on my Pixel 3 XL (Android 10). When you launch the app you are directed to create a Roborock account. Roborock does not support external auth'ing (Apple, Google, FB, etc.), so you will have another password to keep track of. After you validate your email, by entering an emailed verification code, you are in the app an ready to add your robot(s). The app shows all nearby, unregistered Roborock devices. Select the vacuum from the list (even thought there's likely to only be one thing on it), and you will be prompted to select your WiFi network's SSID. Enter the auth information and whether you want to save the credentials to your account (presumably for the easier setup of future devices), and it will push the configuration to the vacuum. A minute or so later your vacuum will be communicating with your app via STUN/STUNT/TURN, instead of through the vacuum's ad-hoc WiFi network (as you'd expect, the vacuum's SSID goes away once the device is on your network).Just a side note here: with all of your IoT devices, like wifi sprinkler controllers, smart TVs, smart speakers (Sonos, Alexa, Google), vacuums, home automation stuff, cameras, etc., it's a good idea to set up a VLAN'd SSID that has NO access to your PCs, laptops, and NAS devices. It's just a good idea, and it doesn't really take much work.The hardware side of the vacuum is pretty straightforward. There's a small waste bin on board, with no sensor to tell the vacuum when it's full (kind of a deficiency, in my view). There are infrared, laser, and tactile sensors to sense obstacles. There's a small, pleated air filter to keep from ejecting just-vacuumed debris back into the air. There are provisions for mopping, in terms of on-board water, a metering mechanism, and mop attachments. The key component of the vacuum, though, is the battery. It's really responsible for most of the performance (and performance limitations) of the device? Runtime? Battery capacity. Suction power? Battery capacity. Speed? Battery capacity. Even noise, which is pitched as a positive, is low (in-part) because there isn't more power budget to devote to the vacuum motor. Finally, if you're wondering why it doesn't use a HEPA filter, it's also due to power. More restrictive filters reduce suction (at the same power level, with the same motor). The unit seems well made, with decent workmanship, but my personal experience with its longevity is nonexistent, since the unit is new to me (I'll post updates if I encounter problems).The software side of the vacuum is where things get interesting. You see, the product page of the S6 lists all kinds of awesome features, but they can only be used if you enable "Map Saved Mode" in the app. That mode is marked beta. If you're a technologist, you can look at the S6 (and its feature set) as being a product of something called agile software development. You come to market with the minimum deliverable product, and then you use your stakeholder input (customers and potential customers, in this case), to drive continual development of the product's features. If you're NOT a technologist, or you're a cynic, you may just look at it as having been sold an unfinished product. It's worth noting, though, that your phone, your laptop, and possibly even your car subscribe to the agile development methodology. Roborock probably assumes that anyone that's willing to get a robot vacuum is probably down for continual development.The operation of the vacuum from the app is pretty cool. On the first run, you can see the ray-projection LIDAR as the area is mapped out. You can also see the route trace as the vacuum does its thing. Neat. The cliff sensor worked well without me having to set a no-go area. I also didn't have to set any invisible walls to keep the vacuum from getting stuck or hung up. All that, and the vacuum didn't mark any walls or furniture. The S6 did move a light metal waterbowl around a little. The vacuum is quiet enough that it didn't freak out my 3 small dogs. The problem I did run into was dog-related, though. My first run with the S6 was on a 1400 sqft area, about 2 weeks since the last vacuum (I was expecting the S6 to come earlier). The issue was that the roller and the waste cup were full after about 700 sqft. That's not really that big a deal, but the problem was that the vacuum had NO IDEA that it was full. Only after returning to the base did the unit say that the filter was clogged. No kidding. That seems like something to address in a future iteration of the product. Since the subsequent cleanings were much lower volume, it wasn't an issue that was repeated. Obviously, YMMV... I have no idea how dirty you are :p I was a little worried about vacuum handling the transition on and off the doormats and rugs in the area, but it handles them like a champ. After the 1400 sqft area is done the battery still has about 40% capacity.I did OAuth the skill to my Alexa installation. It works, but I'm more curious how it will work when I have multiple devices on the same account.I haven't used the various robot vacuums, since their inception. Hearing horror stories about them definitely scared me away for years. For me, the Roborock S6 gets it right (enough), to the point where I think now is the right time for consumers to get in. Despite the best software features being labeled "beta", the product acts and feels mature. I Expect to buy one or two more S5s or S6s. Highly recommended.
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Top reviews from the United States

Reviewed in the United States on February 21, 2021
Customer image
5.0 out of 5 stars If it lasts, I will highly recommend!
Reviewed in the United States on February 21, 2021
I’ve had Roomba 600 series and Neato original and Botvac vacuums as a prior experience comparison. This Roborock S6 robot vacuum has all the features I wanted - acceptable cleaning performance, fairly quiet operation, and a real map with the ability to selectively clean rooms and areas and apply keep out zones - with the added bonus of an included mopping unit which can be effectively confined to desired mopping areas using room, zone and or keep-out lines.

The S6 arrived yesterday and within an hour was fully charged up from the shipping charge state and while it charged I installed the app, connected the S6 to our WiFi (yes like all connected vacuums and “smart” items it requires 2.5 GHz and should be on a separate VLAN from your personal devices) and applied 3 sequential firmware updates. I was pleasantly surprised that all steps were smooth, fast and easy and I didn’t even have to check either user manual it was intuitive and the app guided me through setup. While it charged, we picked up cat toys and items off the floor and made sure no loose cords were present.

Once the S6 was charged, we started a clean from the app and it immediately went and cleaned the house and created its first map while doing so. I went in the backyard while it ran and it was fun to check progress and watch the map generated while out of the house.

I was amazed based on previous robot vacuum experience that this S6 did not get stuck on anything. It completed its cleaning and map in a little over an hour. I edited the map after it was completed to define some rooms in an open floor plan area.

Today we ran it again and on the second go, the S6 had determined an even more efficient cleaning pattern based on the completed map. It moves slow enough to clean effectively but fast enough to accomplish cleaning without being annoying when you’re home.

Then I tried out the mop function in the kitchen and was satisfied with how clean the floors felt afterwards, and how much dirt was on the mop pad! I rarely have the time these days to mop and although this isn’t a scrubber, having the floors wiped every other day or so with the S6 will keep them much cleaner than they have been!

Overall I am delighted with the app, features, and the performance of the vacuum based on these first few experiences. Hopefully it will continue this way. Previously I've purchased robot vacuums from stores with much more comprehensive return support than Amazon since many of them do not last, but Roborock is not available at those stores and the features for this price point (especially on sale) were just too tempting.
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Reviewed in the United States on December 7, 2019
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5.0 out of 5 stars Excellent robot vaccum (see details). Highly recommended
Reviewed in the United States on December 7, 2019
To the world, I am an early adopter. However, the thing to know is that, even within early adoption, there are different levels. For example, when Tesla released the Model S in 2012, I instantly KNEW I wanted one. I ended up buying one 3 years later. Sometimes I'm on the bleeding edge of technology, but when I'm not so sure about its viability or sustainability, I will sometimes wait a beat. When Roombas made a splash in the early 2000s I was skeptical... mostly about limitations due to battery technology (runtime, suction), but also intelligence (processing power, sensor suite, firmware progamming). Friends and coworkers would buy robot vacuums, but then stick them in a closet after a while. Fast forward to late 2019, and I think I might finally have my vacuum!

The Roborock S6 Robot Vacuum is really the first product of its type that I thought would work for my use case. My house was built in the early 80s, so it has some architectural quirks that newer homes don't have. The house has two stories, but that's not really that unusual - what's a bit different is that various sections of the house are sunken or raised by a half a foot. It's visually interesting, but a robot vacuum isn't going to parkour its way around the place. The largest contiguous areas at the same elevation are about 1400sqft, 900sqft, 1700sqft, and 1200sqft. It's a big house. The "cliff" sensor in the S6 is super important, with the dropoffs. I figured I'd get an S6, see how it worked in one area of the house. If it worked out, I might get 2 or 3 more.

The S6 arrives in a series of Russian nesting boxes. When you get to the actual retail box, the packaging is slick and professional. The components are individually bagged. The vacuum arrives already assembled (there is no battery pack or filter to install), and the docking station, power cable, documentation, mop components, tray, and extra filter are also included. Preparing the S6 consists of putting the power cable in the base (you can choose which side to route the power cable out (nice touch). I was a little surprised that there was no way to secure the base to the floor or baseboard... the base has anti-skid rubber pads, but some people may want to opt for a more permanent and cleaner (ha) solution.

Next, I put the robot on the charger (it arrived charged to about 60%). I downloaded and installed the Roborock app from the Google Play store on my Pixel 3 XL (Android 10). When you launch the app you are directed to create a Roborock account. Roborock does not support external auth'ing (Apple, Google, FB, etc.), so you will have another password to keep track of. After you validate your email, by entering an emailed verification code, you are in the app an ready to add your robot(s). The app shows all nearby, unregistered Roborock devices. Select the vacuum from the list (even thought there's likely to only be one thing on it), and you will be prompted to select your WiFi network's SSID. Enter the auth information and whether you want to save the credentials to your account (presumably for the easier setup of future devices), and it will push the configuration to the vacuum. A minute or so later your vacuum will be communicating with your app via STUN/STUNT/TURN, instead of through the vacuum's ad-hoc WiFi network (as you'd expect, the vacuum's SSID goes away once the device is on your network).

Just a side note here: with all of your IoT devices, like wifi sprinkler controllers, smart TVs, smart speakers (Sonos, Alexa, Google), vacuums, home automation stuff, cameras, etc., it's a good idea to set up a VLAN'd SSID that has NO access to your PCs, laptops, and NAS devices. It's just a good idea, and it doesn't really take much work.

The hardware side of the vacuum is pretty straightforward. There's a small waste bin on board, with no sensor to tell the vacuum when it's full (kind of a deficiency, in my view). There are infrared, laser, and tactile sensors to sense obstacles. There's a small, pleated air filter to keep from ejecting just-vacuumed debris back into the air. There are provisions for mopping, in terms of on-board water, a metering mechanism, and mop attachments. The key component of the vacuum, though, is the battery. It's really responsible for most of the performance (and performance limitations) of the device? Runtime? Battery capacity. Suction power? Battery capacity. Speed? Battery capacity. Even noise, which is pitched as a positive, is low (in-part) because there isn't more power budget to devote to the vacuum motor. Finally, if you're wondering why it doesn't use a HEPA filter, it's also due to power. More restrictive filters reduce suction (at the same power level, with the same motor). The unit seems well made, with decent workmanship, but my personal experience with its longevity is nonexistent, since the unit is new to me (I'll post updates if I encounter problems).

The software side of the vacuum is where things get interesting. You see, the product page of the S6 lists all kinds of awesome features, but they can only be used if you enable "Map Saved Mode" in the app. That mode is marked beta. If you're a technologist, you can look at the S6 (and its feature set) as being a product of something called agile software development. You come to market with the minimum deliverable product, and then you use your stakeholder input (customers and potential customers, in this case), to drive continual development of the product's features. If you're NOT a technologist, or you're a cynic, you may just look at it as having been sold an unfinished product. It's worth noting, though, that your phone, your laptop, and possibly even your car subscribe to the agile development methodology. Roborock probably assumes that anyone that's willing to get a robot vacuum is probably down for continual development.

The operation of the vacuum from the app is pretty cool. On the first run, you can see the ray-projection LIDAR as the area is mapped out. You can also see the route trace as the vacuum does its thing. Neat. The cliff sensor worked well without me having to set a no-go area. I also didn't have to set any invisible walls to keep the vacuum from getting stuck or hung up. All that, and the vacuum didn't mark any walls or furniture. The S6 did move a light metal waterbowl around a little. The vacuum is quiet enough that it didn't freak out my 3 small dogs. The problem I did run into was dog-related, though. My first run with the S6 was on a 1400 sqft area, about 2 weeks since the last vacuum (I was expecting the S6 to come earlier). The issue was that the roller and the waste cup were full after about 700 sqft. That's not really that big a deal, but the problem was that the vacuum had NO IDEA that it was full. Only after returning to the base did the unit say that the filter was clogged. No kidding. That seems like something to address in a future iteration of the product. Since the subsequent cleanings were much lower volume, it wasn't an issue that was repeated. Obviously, YMMV... I have no idea how dirty you are :p I was a little worried about vacuum handling the transition on and off the doormats and rugs in the area, but it handles them like a champ. After the 1400 sqft area is done the battery still has about 40% capacity.

I did OAuth the skill to my Alexa installation. It works, but I'm more curious how it will work when I have multiple devices on the same account.

I haven't used the various robot vacuums, since their inception. Hearing horror stories about them definitely scared me away for years. For me, the Roborock S6 gets it right (enough), to the point where I think now is the right time for consumers to get in. Despite the best software features being labeled "beta", the product acts and feels mature. I Expect to buy one or two more S5s or S6s. Highly recommended.
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