Oura Ring 4 Ceramic combines jewelry-grade zirconia ceramic with advanced health tracking, offering bold new colors, durability tougher than steel, and fresh features like ring-swapping and a portable ...

Keeping momentum going, Oura announced a new ceramic smart ring lineup today, along with multi-ring support in the app, as ...

Battery swelling isn’t new in consumer electronics, but the risks are higher in this case. Lithium-ion batteries can expand ...

Take smart rings. They're bands of metal or plastic containing a tiny rechargeable battery. Most of these items go through their lives doing what they're supposed to do, until the battery is exhausted ...

The ceramic rings are thicker at 3.51mm compared to the regular 2.88mm fourth-gen ring. They’re slightly heavier, too, ...