If you’re a person of a certain age (oh boy), you might remember that basic calculators used to run on handy little solar cells and almost never ran out of power. Logitech has tried this for wireless ...
TL;DR: Logitech's Signature Slim Solar Plus K980 is a $99.99 solar-powered keyboard that charges using natural or artificial light, lasting up to 10 years with four months of use in darkness. It ...
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