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%.

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

$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%.