Meet the Proof Wristband: a smart alcohol-sensing wearable device that tracks your body’s alcohol content through your skin and keeps you out of trouble. It pairs with your smartphone to keep you in the know. You get an alert when you have hit the legal limit.
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The device tracks alcohol content for 12 hours. It has a battery that lasts up to 4 days. It uses light and vibration to get your attention.
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