The Luna ring doesn't have any standout features, but it's a solid alternative to Oura—provided you can find one.

The Oura Ring 4 will cost $349 for Silver or Black, $399 for Brushed Silver or Stealth, or $499 for Gold or Rose Gold. In ...

Smart rings are having something of a moment, going back to around the beginning of 2024. It seems like we blinked and found a bunch of smart rings available, many of which did largely the same things ...

I’m a personal trainer who's tested products for five years. I wore the Oura Rig 4 nonstop for six weeks to see if it's worth the investment. After wearing this ring all day, every day for over a ...

Our comprehensive review of the Noise Luna Ring Gen 2, including analysis of the battery life, tracking accuracy, design, and more.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Editors' Note: The Oura Ring 4 is not just a great smart ...