BACtrack C6 Keychain Breathalyzer - White

Model Number: BT-C6
Web Code: 13399151


Make smarter choices by being better informed with the help of the BACtrack C6 breathalyzer. This ultra-compact design attaches directly to your keychain and uses professional-grade technology to consistently and accurately evaluate your BAC. Monitor when your level will return to 0.00-percent or track your results using the companion app.
Sold and shipped by Best Buy
Available online
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  • Police-grade breathalyzer estimates your alcohol level with professional-grade accuracy and consistency
  • ZeroLine technology advises you when your BAC will return to 0.00-percent, allowing you to make smarter decisions while drinking
  • BluFire fuel cell sensor is the same professional-grade technology used by law enforcement, hospitals, and clinics
  • Compatible with Apple, Samsung, and Google devices
  • Ultra-portable, compact design is the size of a 9V battery, weighs just 1.5oz. and attaches right to your keys
  • Bluetooth connectivity pairs wirelessly with your smartphone
  • BACtrack companion app tracks and saves your BAC results over time and will even help you call an Uber if you have had too much to drink
Primary Function
Blood Alcohol Level Meter
Device Type
Smart Breathalyzer




Display Technology


App Enabled
Android Compatibility
Samsung Galaxy S3; S4; S5; S6; S7; S7 Edge; S8; S8+; S9; S9+ Google Nexus 5; 6; 6P; Pixel; Pixel XL; Pixel 2; Pixel 2 XL
Mac iOS Compatibility
Apple iPhone 4S; 5; 5C; 5S; 6; 6 Plus; 6s; 6s Plus; SE; 7; 7 Plus; 8; 8 Plus and X; XR; XS Max Apple iPad 3; 4; iPad Air 1 & 2; iPad Pro and Mini 1; 2; 3 & 4 Apple iPod 5th generation and higher
Companion App Required
Compatible App Stores
Apple App Store; Google Play


Power Type
Battery Powered
Battery Type

Other Features

Number of Physical Buttons
5.5 cm
3.5 cm
1.5 cm
90 g

  • Worthless

    from  on 18 octobre 2019

    I bought this not expecting a whole lot. After about 30 attempts without being able to get a reading only error messages I returned it for another. The same thing happened with the other. Not sure if it was a bad batch but a frustrating endeavor.

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