ZDNET's recommendations are based on many hours of testing, research, and comparison shopping ... improve your health and sleep this year? A smart ring could help. Smart rings track everything ...

I checked out a lot of smart ... a chart showing where exactly your measurement lies between the two. For example, my index finger was smack in between a size 11 and 12. However, my ring finger ...

Credit: Dan Bacaglia/Tom's Guide I checked out a lot of smart rings at CES 2025. Highlights include the new Ultrahuman Rare collection, the latest RingConn Gen 2 wearable, the Luna Ring 2 from ...