According to the complaint filed in U.S. District Court for the Northern District of California, Bal was an early investor in Oura, as well as serving as the company’s “primary marketing arm” in its early years as a cash-strapped start-up.

That’s right; despite being rings, the RingConn Smart Ring is shaped more like a squircle, unlike the entirely circular Oura Ring. Its sensors are housed in two tiny nubbins and a flat section ...

I told him I was considering switching to a smart ring, but Hale said that for many people, it’s not an all-or-nothing proposition. Of Oura’s customers, 66% have a second wearable, and 40% ...

A potential Oura Ring 5 may be a long way out, but I'm already hoping for these key features and improvements.