Oura didn’t invent the smart ring category. It did, however, make all that came before it effectively obsolete. The category dates back more than a decade; TechCrunch wrote about an NFC ring in 2013. The Motiv Ring is of far more recent vintage, but it ultimately struggled to find the right use case before being […]
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Source : Oura Ring 4 isn’t an Apple Watch replacement, but that’s not the point
