Smart rings are unique in the world of fitness trackers. Instead of wrist-worn devices with large displays and flexible straps, smart rings are more rigid bands made for wear on a finger.

The Oura Ring ... black and rose gold, as well as two styles: Horizon and Heritage, which has ridges. The ring comes in sizes 6 through 13. Price depends on the color, style, and size, and most ...

Price varies by finish: Silver and Black are $349; Brushed Silver and Stealth are $399; Gold (reviewed here) and Rose Gold ... than the 2.6 mm Galaxy Ring. Oura Ring Gen 3 in size 11 (top left ...

The new Oura Ring ... Rose Gold. There’s less choice, but it’s simpler to understand and easier to find the right fit for you. It now also comes in more sizes than before, ranging from size ...

Some designs and colorways cost more, with Rose Gold being the most expensive at ... I really enjoyed using the Oura Ring 4. I drained its battery down, which for my Size 10 ring took five and a half ...