Sequent Elektron Smartwatch
Smartwatches are great, other than having to charge them. The Elektron watch aims to change that by capturing energy with a micromechanical generator. The watch works with a smartphone app to track activity, sleep, and heart rate data and is built into a handsome titanium case with bright Super-LumiNova markings.
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Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research before paying your hard-earned money.