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Why don't smart watches use USB-C to recharge?
(shkspr.mobi)
This is a most excellent place for technology news and articles.
Im not familiar, how small can they get?
You kind of are, it's basically the same magnets+wireless combo Apple uses for their phones.
I don't know if you could use the same charger for a phone. Probably not. But it's a cross-company standard, so the idea would be to do the same for watches, if the standard doesn't include a watch option already (I haven't looked into it, frankly).
It would be a dream! And I imagine easier to repair as USB anything involves pushing and pulling a physical connector that will eventually break. It may take a long time, but anything that moves will eventually break.