First, it detects chemicals released in your perspiration. Second, it sends the results right to the app on your device, Finally, you can get alerts to let you know when you’ve hit the legal limit.
Proof looks just like an activity tracker. With this design, you can inconspicuously test your own alcohol content no matter where you are. In addition, Proof is continuously tracking your content.
So, you can subtly pick up your phone, check the app, and get back to conversation with ease. Proof makes it easy to stay below the limit even while out and about.
According to thegadgetflow