Smart rings have a long way to go - The Verge

Samsung may have filed a patent for a smart ring, but there’s a reason Oura is the only contender in this category right now. The technology is promising, but we’re a long way off from smart rings being a real thing.

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Smart Rings NFC Multifunctional Waterproof Intelligent Ring Smart Wear Finger Digital Ring Smart Accessories

Smart Ring Has a Long Way to Go. But is it worth buying?, by Maharukh Mustafa