Scientists Say Cell Phone in Your Pocket Could Charge Smartwatch On Wrist Wirelessly

In the future you might be able to charge your smartwatch simply by wearing it. Scientists in Singapore have found a new method, by which users will only need to charge one device, which will then simultaneously power the rest of the gadgets worn by them.

source https://gadgets.ndtv.com/science/news/use-human-body-power-transmission-charge-wearables-research-2463399#rss-gadgets-all