We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Smart rings take the best of a fitness wearable and put it into a fashionable accessory straight from the jewelry store. The Oura Ring Gen3 is one of our favorites, and it's up to $100 off at Amazon before Black Friday and Cyber Monday.
That means you can put its fantastic sleep tracking to work during your post-turkey football nap on Thanksgiving. I have been shamed for wearing an Apple Watch to..
. Amanda Reed.