Oura's new premium smart ring comes with a charging case - and a new finish

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ZDNET's key takeaways

• Oura is launching four colorful $500 smart rings.
• The Oura Ring 4 Ceramic lineup is eye-catching and fashionable.
• The software is no different than the original Oura Ring 4. 

Smart rings are more discreet health trackers than a smartwatch, and it takes a knowing eye to realize somebody is wearing one. Still, as Oura Rings become more prevalent (and Oura Ring sales skyrocket), it's getting easier and more common to spot that chunky metallic ring around a person's finger. 

Also: The best smart rings: I tested and found an obvious winner

Oura's latest product offers an alternative to the company's flashy metal smart rings. The Oura Ring 4 Ceramic lineup, the smart ring company announced on Wednesday, leans more toward the device as a statement piece. Eye-popping colors make the ...