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BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

4.3 4.3 out of 5 stars 5,639 ratings

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Extra Savings Save 10% on C-Series Breathalyzer Mouthpieces (50 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack. 3 Applicable Promotion(s)
  • Save 10% on C-Series Breathalyzer Mouthpieces (50 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack. Shop items
  • Save 10% on C-Series Breathalyzer Mouthpieces (20 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack. Shop items
  • Save 10% on C-Series Breathalyzer Mouthpieces (100 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack. Shop items
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Purchase options and add-ons

  • ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C6 utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
  • KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
  • CALL AN UBER - Remember, the only safe time to drive is when your BACtrack shows 0.00%. Anything above that? You can call an Uber directly from the App.
  • OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C6 with or without your smartphone. "Standalone Mode" delivers your BAC results directly to your C6. "App Mode" wirelessly delivers your BAC results to the BACtrack App on your smartphone. Easily switch between modes.
  • ONE YEAR WARRANTY - If your BACtrack C6 ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge.

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BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

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Product Description

BACtrack C6 Keychain Breathalyzer | BACtrack Helps You Make Better Decisions While Drinking
BACtrack C6 Keychain Breathalyzer | Know When Your BAC Will Return to 0.00% With ZeroLine
BACtrack C6 Keychain Breathalyzer | Make Better Decisions While Drinking With a BACtrack
BACtrack C6 Keychain Breathalyzer | Go Beyond Testing With the Free BACtrack App for iOS and Android
BACtrack Keychain Breathalyzer
BACtrack S80 BACtrack Trace BACtrack Mobile BACtrack C8 BACtrack C6 BACtrack Keychain
Customer Reviews
4.5 out of 5 stars
7,023
4.4 out of 5 stars
1,776
4.3 out of 5 stars
1,385
4.4 out of 5 stars
2,741
4.3 out of 5 stars
5,639
3.9 out of 5 stars
4,830
Ideal Use Personal & Professional Personal & Professional Personal & Professional Personal Personal Personal
Alcohol Sensor Type Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Semiconductor
Professional-Grade Accuracy
Wireless Connectivity to iOS & Android Devices ✓ - Required ✓ - Optional ✓ - Optional
ZeroLine Technology - Estimates Time to 0.00% BAC ✓ - App Only ✓ - App & Device ✓ - App Only
Advanced User Controls for Professional Testing Environments
Battery Type 2 x AA batteries 2 x AAA batteries Micro-USB Rechargeable Lithium Ion 1 x AAA battery 1 x AAA battery 1 x AAA battery
Size (L x W x H) 2.00" x 0.75" x 4.75" 1.87" x 0.63" x 4.25" 1.75" x 0.63" x 2.75" 2.50" x 0.66" x 2.20" 2.21" x 0.66" x 1.88" 1.45" x 0.55" x 2.40"
Weight (including battery) 136g 85g 57g 57g 57g 57g

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2.21 x 0.66 x 1.88 inches; 2.08 ounces
  • Item model number ‏ : ‎ BT-C6
  • Batteries ‏ : ‎ 1 AAA batteries required. (included)
  • Date First Available ‏ : ‎ February 7, 2018
  • Manufacturer ‏ : ‎ BACtrack
  • ASIN ‏ : ‎ B079XXNBF3
  • Customer Reviews:
    4.3 4.3 out of 5 stars 5,639 ratings

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Customer reviews

4.3 out of 5 stars
4.3 out of 5
5,639 global ratings

Customers say

Customers like the size of the product. They say it's impressively small, compact, and can fit in a pocket. They also like the ease of use, fun, and sobriety. However, some customers differ on performance, quality, value, and accuracy.

AI-generated from the text of customer reviews

159 customers mention146 positive13 negative

Customers find the product easy to use and convenient to have. They say the companion app is easy to get started with and seems to have quicker results. The setup takes just a second and the product can be charged with the USB port. Customers also mention that the product comes with a user manual and three mouth pieces.

"...Pros:AccurateEasy to useFunnyCons:None that I can think ofOverall:5 out of 5 stars...." Read more

"...Setting up takes just a second and you can charge it with the USB port, so that's fast. It's intuitive so you can pretty much go from there...." Read more

"...The product is very compact so it is easy to have with you if you are going somewhere and will be drinking...." Read more

"...This one cost more but works much more reliably and is easier to use. Would purchase again." Read more

135 customers mention129 positive6 negative

Customers are satisfied with the size of the product. They mention it's very compact and impressively small. They also say it doesn't take any space and can be used with a set of keys. Customers also say the product is portable and can fit on a keychain.

"...It’s really small. It does beep while you blow into it, then it says calculating and it’ll show you how high or low you’re BAC is...." Read more

"...It's small and lightweight, so I can easily take it with me wherever I go. It's also very easy to use...." Read more

"...The product is very compact so it is easy to have with you if you are going somewhere and will be drinking...." Read more

"Good pocket size, quick results. Best to sip water before using." Read more

67 customers mention67 positive0 negative

Customers find the sobriety kit helpful to have and a great resource to help monitor when they should stop drinking. They say the app provides a lot of information and is practical for learning your BAC. Customers also say the device is nerd friendly and has helped them understand their drinking habits and limits. They mention the can ring holder makes it a good option to use in any situation and that it allows them to see their results and track their history.

"...I've also found that the BACtrack C6 is a great way to start a conversation...." Read more

"...as to be easily carried around in my pocket and because it allows you to see your results and track your history on your iPhone or Android by..." Read more

"...This thing has helped me understand my drinking habits and limits as well as added a TON of that piece of mind that I know I'm good to drive...." Read more

"...The app is very nice and provides a lot of information, but I use it more often in standalone mode just because it's easier and you don't have to..." Read more

55 customers mention55 positive0 negative

Customers find the product fun to use when they're drunk. They say it's a good way to generate some random drinking games and gauge their limits. Customers also say it makes for a great drinking game and is a huge hit at parties.

"...It's the perfect party accessory." Read more

"...back to 0.05% it is off the walls with its readings but it’s fun to use when your drunk so I guess it’s worth it if you’re using with friends just..." Read more

"...is all Krav Maga these days, and while it is an extremely effective form of self defense, nothing can really protect you from my roundhouse of..." Read more

"This is accurate and fun for parties." Read more

312 customers mention160 positive152 negative

Customers are mixed about the performance of the breathalyzer. Some say it works better than they thought, is quick, and excellent. They find it very useful and fun, while others say it doesn't work, doesn''t have an app, and quit working within 2 weeks. Some customers also report that the battery dies quickly and they are unable to run a test.

"...I have only used it in stand alone mode but it works really well. It’s fast and accurate results save me from worrying if I’ll set off the..." Read more

"...In short, it only works when it wants to work and I’d recommend that you get something more reliable - a product that will measure BAC when needed,..." Read more

"...The device has a small display and works in standalone mode that gives you operating instructions and then shows the test result...." Read more

"...But it’s not working and start acting funky I might need to use the recalibrate function but it’s kinda annoying but overall this product is okay" Read more

284 customers mention160 positive124 negative

Customers are mixed about the accuracy of the BACtrack C6. Some mention that it's incredibly accurate, fairly accurate in measuring BAC, and provides an accurate indication of BAC. However, others say that it gives them no confidence whatsoever in the accuracy, and that the readings are under the actual amount they've drank.

"...It’s fast and accurate results save me from worrying if I’ll set off the breathalyzer in my car. It’s really small...." Read more

"...seems to slip a little with each use, it gives me no confidence whatsoever in the accuracy of the reading so my feeling is that it is more accurate..." Read more

"...The BACtrack C6 is also incredibly accurate. I've tested it against other breathalyzers, and it's always been within 0.01% of the other readings...." Read more

"...This this is so unreliable and off the walls. I would not waste your money. If you’re trying to avoid a DUI, get a ride." Read more

219 customers mention108 positive111 negative

Customers are mixed about the value of the breathalyzer. For example some mention it's worth the money, affordable, and accurate, while others say it'll quit working within 2 weeks and is an expensive gimmick.

"...Worth every penny!!" Read more

"...Useless and could even be dangerous by giving people false low readings and making them think they are safe and legal to drive when they are..." Read more

"...keychain and hitting against something and breaking but otherwise worth the money!" Read more

"...At any rate, I’ve found that tracking BAC on an hourly basis is not reliable...." Read more

127 customers mention46 positive81 negative

Customers are mixed about the quality of the breathalyzer. Some mention that it's easy to use and has saved them from many DUI instances. However, others say that it immediately gave them errors and stopped working.

"...This C6 will be handy to have, but as mentioned, misleading. Also, as it beeps for the entire time you blow, this is not discrete...." Read more

"...Includes 3 interchangeable mouthpieces but they aren't required to use the device..." Read more

"Great features except it died within 6 months of purchase.Cheap plastic too." Read more

"...liquor and still be just barely flirting with a .078 bac or this this is faulty...." Read more

A Must Have Before You Go Behind The Wheel
5 Stars
A Must Have Before You Go Behind The Wheel
Good investment to have after a round of drinking. I tested by drinking 3 beers 5%ABV and did a test 30mins later and got a reading of .05. I was a bit buzzed after the results. It doesn't take any space and use it with your set of keys. It's a good toy to have before you get behind the wheel.
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Top reviews from other countries

Sly
5.0 out of 5 stars Small and easy
Reviewed in Canada on February 4, 2023
Package Quantity: 1Verified Purchase
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Sly
5.0 out of 5 stars Small and easy
Reviewed in Canada on February 4, 2023
So far, I’m very happy with the BACtrack C6. It’s small enough to keep on my keychain so that I have it at all times. I did a few test readings and it all seems accurate. I used the app on an Android Phone that is not listed but it still works perfectly. The only small drawback is that it takes a little time for the device de connect to the phone, but it’s about one minute so it’s ok. The upside of the app is that it will give you an approximate time for when you are sober.
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Tech Guy
5.0 out of 5 stars Unit is great!
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Joinys
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5.0 out of 5 stars Excellent
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1.0 out of 5 stars THE UNIT I RECEIVED DID NOT WORK
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