• BACtrack C6 Keychain Breathalyzer
  • BACtrack C6 Keychain Breathalyzer
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  • BACtrack C6 Keychain Breathalyzer with iPhone
  • BACtrack C6 Keychain Breathalyzer with mouthpiece
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BACtrack C6

BACtrack C6

Smartphone Keychain Breathalyzer

$69.99
$69.99
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Powered by BACtrack's proprietary BluFire® fuel cell sensor technology, the all-new BACtrack C6 Keychain Breathalyzer is the smallest professional-grade alcohol tester ever created! The C6 offers BACtrack's new "Dual-Mode" operation. Choose "Standalone Mode" and your BAC results are delivered directly to a bright, easy-to-read OLED screen. Alternatively, choose "App Mode" and the BACtrack C6 seamlessly pairs with your smartphone via Bluetooth. Using the free BACtrack App, you can quickly and easily estimate your BAC, track your results over time, and with ZeroLine®, estimate when your BAC will return to 0.00%. You can even call an Uber™ directly from the App if you've had too much.

Perfect for any social situation, from happy hour to dinner parties, the ultra-portable BACtrack C6 keychain breathalyzer will help you and your friends drink smarter and make better decisions while drinking.

BACtrack C Series Breathalyzer Mouthpieces
BACtrack Carrying Case
C6 Brochure C6 Manual
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1 Year Warranty

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Free Shipping on All US Orders

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1 Year Warranty

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30-Day Money Back Guarantee

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Fox 2 News: Are Personal Breathalyzers Accurate?

FOX 2 Detroit and Allen Park police teamed up for a study including five people drinking alcohol to test a BACtrack C6 keychain breathalyzer against the police-issued machines to see just how accurate personal breathalyzers actually are. SPOILER ALERT: The C6 matched the police breathalyzer every step of the way.

Estimate Your Alcohol Level, With Pro-Grade Accuracy

Powered by BACtrack's professional-grade BluFire® sensor technology, the C6 features simple one button operation and delivers reliable and accurate BAC results you can trust, every time you test.
BACtrack C6 Keychain Breathalyzer with iPhone

Know When Your BAC Will Return to 0.00%

Based on your last reading, BACtrack's patented ZeroLine® technology estimates the time until your BAC will return to 0.00%. You might be surprised how long it takes before you’re actually sober.

Make Better Decisions While Drinking

When it comes to alcohol, there is often a significant difference between how you feel and how impaired you actually are. BACtrack helps eliminate that uncertainty by giving you an actual number to put with that feeling, empowering you to make better decisions while drinking.
Woman with BACtrack C6
Woman with BACtrack C6 breathalyzer

Go Beyond Testing

The free BACtrack App, paired with power of your smartphone, unlocks a variety ofadditional BACtrack features that raise your drinking IQ.

✓ Guess Your BAC

Before each test, you are given the opportunity to guess your BAC level. Compare your perception to actual numbers, and see whether your guesses get better over time.

✓ Track Your Drinking

Save your previous tests, attach notes or photos to your results. Track your drinking habits over time and learn how alcohol affects your body under different circumstances.

✓ 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.

Precision Hardware

Thoughtful design, unrivaled accuracy.

Proprietary Sensors

Our professional-grade BluFire® fuel-cell sensor technology delivers reliable and accurate BAC results, every time you test


Mouthpieces

Includes washable, disposable mouthpieces to improve accuracy by collecting the highest quality sample, and to allow you to test others safely.


Internal Breath Pump

Mini solenoid breath pump ensures the most accurate and efficient breath capture for testing

C6 Breathalyzer Reviews

BACtrack App for Apple, Samsung & Google Devices

The power of your smartphone unlocks a variety of additional breathalyzer features. See clear and vibrant instructions and results, plus features that raise your drinking IQ.
BACtrack View iPhone appBACtrack View iPhone app

BACtrack View Remote Alcohol Monitoring

Share a video-verified record of your sobriety directly from your smartphone

✓ Court Approved Nationwide
✓ No Activation Fees or Long-term Contracts
✓ Free Smartphone Breathalyzer

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