Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

Oura's Ring 4 was a traditional smart ring, but Oura's patents show some incredible ideas that could pay off in the Ring 5.

Testing these smart rings was a group effort, with four members of the Women's Health team testing out a different smart ring ...

I’ve used a lot of fitness wearables, but none have been a constant presence in my life for as long as the Oura ring. I woke ...

The Oura Ring offers powerful, passive health tracking, but there are other factors of the experience worth considering ...

The Oura Ring 4 is sleeker than ever, and is still an excellent sleep and wellness tracker. But is it right for you? Here’s ...

"Having this information like laid out in front of me definitely made me take it more seriously," Nikki Gooding told Newsweek.

I've spent weeks with both the OnePlus Watch 3 and the Samsung Galaxy Watch 7. Both are excellent smartwatches, but one is ...

I’ve never worn a smartwatch – to me, getting notifications on my wrist defeats the purpose of trying to reduce my screen ...

However, Circular seems to want to make its smart ring the number one stop for the health-conscious ones in society. Its upcoming Circular Ring 2 is going to support both blood pressure and blood ...

The Oura Ring is a powerful fitness tracker that's been on the market for years, but gained traction recently for its ability to teach users about their sleeping habits.