When the sizing kit shows up, tear the bad boy open and grab a ring. Oura recommends wearing the device on either your index finger, middle finger, or ring finger for optimal tracking performance.

You would be wise to learn how to measure your ring size before purchasing your next piece of eye candy. Whether shopping in person or online, fine jewelry is usually a pretty major purchase—and you’d ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Samsung's Galaxy Ring is so comfortable that I keep ...