BACtrack Mobile Breathalyzer lets you geek out about your drinking in a way that no other piece of technology can do. It is the world’s first breathalyzer that connects to your iPhone wirelessly via Bluetooth. This revolutionary device quickly and easily estimates your Blood Alcohol Content (BAC) using a highly accurate professional-grade alcohol sensor. And by connecting to your iPhone, the free BACtrack app can save your results, estimate when you’re BAC will return to 0.00%, and provide powerful sharing capabilities. BACtrack Mobile simply is the world’s most intelligent breathalyzer.