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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What are Smart Rings? How are they different from other wearables? - Gizmochina

This might be the year of the smart ring - The Verge

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

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Smart rings have a long way to go - The Verge

5 Fitness Rings: Comparisons, Specs and Can They Pass as Jewelry? - WSJ

What Are Smart Rings? How Do They Work?

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RingConn Smart Ring Review

ZYZM R4 Smart Ring Multifunctional Lord of The Rings is Compatible with iOS and Android No Need to Recharge Waterproof and dustproof IC/ID Card (12#) : Electronics

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

What is a Smart Ring and how exactly does it work?