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BACtrack - Vio Smartphone Keychain Breathalyzer for Apple® iPhone® and Most Android Devices

This ultraportable BACtrack Vio BT-M2 keychain breathalyzer pairs with your smartphone via Bluetooth connectivity to rapidly estimate your BAC (blood alcohol content) and track results. ZeroLine technology estimates when your BAC will return to 0.00%.

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    What's Included

    • 3 mouthpieces
    • AAA battery
    • Owner's manual
    • Vio Smartphone Keychain Breathalyzer

    Ratings & Reviews

    Overall Customer Rating:
    76% of customers would recommend this product to a friend (42 out of 55)


    Compatible with select cell phones and other devices

    With an iOS or Android 4.3 or later operating system, including Apple® iPhone® 4S, 5, 5s and 5c, 6 and 6 Plus.

    Also compatible with Samsung Galaxy S III, Samsung Galaxy S 4, Nexus 5 and other devices.

    Advanced MicroCheck Sensor Technology

    For high performance and accurate, reliable results.

    Bluetooth connectivity

    Wirelessly connects to your iPhone or Android device.

    ZeroLine Technology

    Provides an estimate of when your BAC will return to 0.00%, allowing you to quickly and easily know where you stand.

    BACtrack companion app (download required)

    Saves and tracks BAC results over time, including optional photos, notes and drink logs.

    Apple, the Apple logo and iTunes are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPod is a trademark of Apple Computer, Inc.

    Product images, including color, may differ from actual product appearance.