VENTURE BEAT - Oct 9 - The wearable device harnesses kinetic energy to give your smartphone as much as 3 hours of additional battery life in a day. It can be strapped to someone’s arm, leg, or hip or carried inside a backpack or messenger bag, and charges anytime it detects movement. The Ampy smartphone app can be used to check how much energy has been generated and how many calories have been burned.
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