The wearable-tech company Ultrahuman has debuted the Rare smart ring, which is hand-crafted with 18-karat gold and platinum.
That’s roughly $1,900 to $2,200. I rack my brain. The most expensive smart ring I can remember is Oura’s collaboration with ...
However, the main innovation — a first for smart rings — is the addition of an FDA-cleared atrial fibrillation (AFib) sensor that reads the electrical activity of your heart, including the rate and ...
Smart ring maker Ultrahuman took the wraps off a trio of extra shiny high-tech trinkets at CES 2025 on Tuesday, adding a ...