glassninja
Meet the Unlock Ring: a short range smart ring that lets you unlock and access your smartphone or tablet more conveniently. Since it has a range of 6 inches, you don’t have to deal with security issues of similar wearables. Unlock is compatible with Windows and Android devices at this time.
More items like this: here
Unlock is made using flexible materials. It uses Bluetooth 4.2. The battery life lasts over a year. More information is available on Indiegogo.
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