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1-3 year warranty


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BACtrack C6 Smartphone


242 Reviews

Ideal Application: Economical fuel cell

The most affordable and compact fuel cell model on the market with the added advantage of “Dual-Mode” operation. Choose between Standalone which results are delivered directly to a bright, easy-to-read OLED screen or “App Mode” and the BACtrack C6 seamlessly pairs with your smartphone via Bluetooth.


BACtrack C6 Smartphone Breathalyser

BACtrack C6 Smartphone


242 Reviews

Core Features

Advanced BluFire® Fuel Cell Sensor:

The same technology trusted by hospitals and clinics and offers the highest level of accuracy and consistency.

Effective Breath Capture:

Locks out ambient air, fumes, and other airborne gases from the breath test sample.

Ultra-Portable Size:

The smallest fuel cell breath tester ever created! The C6 is a keychain portable breathalyser.

Optional Bluetooth Connectivity:

Choose to wirelessly connect to your smartphone via Bluetooth. Compatible with the majority of Apple, Samsung, and Google devices. See full list below.

ZeroLine® Technology:

Estimates when your BAC will return to 0.00%, empowering you to make smarter decisions while drinking.

BACtrack Companion App:

The free BACtrack app saves and tracks BAC results over time and can even help you call an Uber™ if you’ve had too much.

One Button Operation:

Press power and begin your alcohol test in seconds


Full 1-year warranty (upheld in Australia not the US)

Product Specs


3 x Hygienic mouthpieces (included)

Flow Error Indicator:

Alerts if the blow is not consistent enough to take an accurate reading

Adjustable Blow Time Setting:

Longer blow times give an increased accuracy result

Previous Test Counter:

Recalls previous tests

Battery Level Indicator:

Don’t get left short of power when you need it most

Auto Power Off:

The unit will automatically power down after 10 seconds to save battery

Tracks and Graphs:

All previous test results and times are recorded through the app

Apple Health Kit:



Full 1-year manufacturer's warranty (upheld in Australia not the US)


  • Sensor Technology: Blufire® Electrochemical Fuel Cell Sensor Technology
  • Sensor Accuracy: +/- 0.006 at 0.050 % BAC
  • Detection Range: 0.000 – 0.400 %B.A.C
  • Dimensions: 5.6 x 4.7 x 1.7 cm
  • Weight: 56 grams (with mouthpiece and battery included)
  • Power Supply: 1 x AAA alkaline battery (included)
  • Battery Life: Approximately 300 tests
  • Warm up Time: Approximately 10 seconds (depending on last use)
  • Response Time: 10 seconds
  • Blowing Time: 5 seconds
  • Operating Temperature: 0-40 °C
  • Apple Compatibility: Compatible with iOS 11 up
  • Android Compatibility: Compatible with Android 11 up


  • 1 x BACtrack C6 Breathalyser
  • 1 x BACtrack C6 user manual
  • 3 x Mouthpieces
  • 1 x Duracell AAA alkaline battery


242 Reviews


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Proprietary Sensor Technology.
Unparalleled Precision.

Every BACtrack breathalyser is engineered around the two factors that most influence accuracy: sensor type and breath capture.
Bluefire Enlarged Fuel Cell Sensor Technology

Blufire® Fuel Cell Sensor Technology

Engineered by BACtrack from technology used in experimental vehicle fuel mixing, our proprietary Blufire® Fuel Cell Sensors deliver the most accurate, consistent BAC results.

Optimal Breath Capture

Effective Breath Capture

Breathalyser test accuracy begins with an effective breath capture mechanism. BACtrack alcohol breathalysers are carefully designed to exclude ambient air, fumes, and other airborne gases that can contaminate results.

Accuracy Focused Engineering

We focus our technology, so BACtracks’s Pro-grade series consistenly outperforms.

A Review on the BACtrack C6 Keychain Breathalyzer

Breathalyzers are handy devices that can help you determine your exact alcohol levels. Consuming alcohol can easily cause the Blood Alcohol Content (BAC) to rise without reliable monitoring tools. A keychain breathalyzer is an ideal device to measure the BAC level efficiently. Many users recommend the BACtrack C6 keychain breathalyzer from Breathalysers Australia because of its compact size and reliability. READ MORE>>

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      BACtrack C6 Smartphone Breathalyser

      BACtrack C6 Smartphone


      242 Reviews