It’s been four years since Oura launched its second-generationsmart ring, but the company hasn’t been out of the spotlight in all of that time. Oura rings found themselves on the fingers of a number of high-profile figures and a number of studies used it to determine if wearable technology could predict COVID-19 symptoms. Now, the Finnish company is announcing its third-generation ring with an even greater emphasis on cramming as much hardware into that tiny body as the laws of physics will allow.The v3 Oura Ring doesn’t look much different compared to its predecessor, and isn’t — at least on the outside. Inside, however, the company has sweated several new components down to fit inside its chassis, including a new optical heart-rate sensor. That unit alone will let the wearable track your heart rate during the day — something it’s only been able to do at night so far. In addition, you’ll also get heart rate tracking during workouts, and even get blood oxygenati
