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ZDNET’s key takeaways
- Two Oura users reported their rings smoking and overheating.
- Smart rings are built with lithium-ion batteries.
- They may overheat if damaged or improperly charged.
Smart rings have had some bad press recently. Earlier this year, a Samsung Galaxy Ring began swelling on a user’s finger as he was about to board a flight. And last week, two Oura Ring users reported their rings were overheating and…

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