One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

Noise is stepping into a category it hasn't touched before, screenless health bands, with the launch of the REP Band. The pitch is straightforward: deep health tracking without locking any of it ...

Andy is a seasoned technology journalist with more than 15 years experience in the mobile industry, writing for Digital Trends, Wired, and more. Andy has reviewed hundreds of smartphones and tablets, ...

Get the most out of the app, and make the strap more comfortable while you're at it.

Google's new minimalist $100 Fitbit Air offers plenty of health and fitness data, without the pricey subscription of an Oura Ring or Whoop band.

Google's new Health CLI lets you build custom dashboards, AI-powered health automations, and more using your Google Health ...

Explore the essential health features to look for in women's smartwatches. Find helpful care tips and top recommendations to ...

Rogbid launches the Loop Air, a $60 screenless fitness band with ECG, GPS, heart rate, SpO2 tracking, 5ATM water resistance, ...

I compared Fitbit Air and Whoop MG sleep tracking over seven nights to see how closely the two agreed.

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Fitbit's many achievements in its field has, to some extent, turned the brand name into something of a household term for wrist-worn fitness trackers. However, the concept of the fitness tracker ...

OnePlus Watch is the company's first smartwatch, and a lot of Android users have been looking forward to it. The OnePlus Watch has a circular dial with an AMOLED display, and SpO2 tracking which is a ...