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

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

$49.99
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%.

Browse all deals at Best Buy

See more in Shopping Misc.

* This offer may contain time-sensitive information and offers. Please check with Best Buy to confirm actual price & availability.

4 locations

Find it at your local Best Buy (view store)


Top