Be sure you’re under the limit before you drive with the Proof BAC Tracking Wristband. Connecting to your smartphone, this wearable actually tracks your body’s alcohol content through your skin. 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...
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