After using the second-generation Microsoft Band, I'm shocked at how different its heart rate and caloric readings are from its predecessor. Since my Microsoft Band 2 arrived a week and a half ago ...

Smart rings like the Oura can track your activity and sleep from an unobtrusive spot on your finger. The category is still ...

A fitness tracker is a great way to help you reach your fitness goals, but if you are on a budget, here are six under $100 ...

Fresh research details a method than can detect congestive heart failure (CHF) using smartwatch ECG data with an impressive ...

The Xiaomi Smart Band 9 Pro is another solid budget fitness ... Just be aware that some of those modes are only going to capture duration and heart rate data. Mike Sawh Heart rate tracking is ...

Read one writer's review of the Qalo Qrnt Smart Ring and how it stacks up to the Oura Ring when tracking health and fitness metrics.

The best fitness trackers out there will give you data for your heart rate, calories, exercise, sleep, and even stress levels. Our experts review our picks, putting them through their paces to ...

The Smart Band 9 wowed in our review thanks to its excellent price point, stylish design, and brilliant AMOLED display. Our experts have tested every model picked here, and a host of other fitness ...

These devices can provide detailed information about your sleep cycle, from the moment you drift off to when you wake up, including data on REM sleep, heart rate and ... for a smart ring, watch ...