The Finger Generator is a mobile battery charger, which suggests a way how you could stay cool during emergency and be having little fun to have it to spin on your finger to generate some juice to power up your handset.
Instead of the wrist-tiring hand-cranking, you simply give the charger 130 spins on your finger to generate enough juice to complete a phone call. It’s definitely a great idea to get you to stay cool and calm during emergency. Unfortunately, it’s still a concept gadget proposed by Song Teaho & Hyejin Lee.
via coated
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