BACtrack Vio appeared in Entrepreneur last week, announcing its entry to the market of smartphone breathalyzers.
"The company announced yesterday the launch of a new keychain-sized breathalyzer device called the BACtrack Vio, which syncs with users’ smartphones to wirelessly track blood alcohol content. It is priced at $49.99 and displays its findings on companion apps for a wide array of Apple and Android devices."
"The app, which the device accesses via Bluetooth, prompts users to guess their levels before taking a reading so that they may better gauge their intoxication tendencies over time."
Read the full article here: //www.entrepreneur.com/article/235699