Coated in platinum and 18K gold, Ultrahuman's new smart rings offer heart rate, sleep, and stress tracking in a luxurious package — but is it worth the price?

Then, from the depths of a CGI dune, emerges a smart ring. The other two videos are carbon copies, except in one, the desert is a golden pink. In the other, a wintry silver. I check the press release.

Ultrahuman, one of the best smart ring brands, has just unveiled the world’s first luxury smart ring, ‘Rare’, at CES, made from 18K gold.