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.

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. As a ...

Choosing the right size for a smart ring can be a real headache, with customers needing to use sizing kits before purchasing. Patents reveal that companies are developing smart rings that can ...

Aside from the paper ring size chart, one of the most accurate at-home sizing methods is a ring sizer. Ring sizers can be found online for as cheap as $4. The process is quite simple: "you feed one ...