标签：#smart ring

While Oura has largely dominated the smart ring market for years, a growing number of rivals are now racing to dethrone it by trying all sorts of approaches to get an edge over it.

The RingConn 3 actually looks like real jewelry, not a wearable -- but its fitness tracking and headache detection features are disappointing.

The Ring 5, which Oura describes as the world’s smallest smart ring, is 40% smaller than its predecessor and starts at $399.

The ring is 40% smaller than its predecessor, and comes with more accurate sensing, enhanced battery life, and more.