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This Smart Watch Never Needs A Recharge
By Author Info | January 18, 2022
$139+
Winner of a 2017 IF Design Award, the 46mm Matrix PowerWatch is the first smartwatch you never have to recharge. Powered by your body heat, it measures calories burned, activity level, and sleep using advanced thermoelectric technology. It is also the only smartwatch to feature a power meter that displays how much electrical power you are generating.
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