If you spend any time near a gym, you may be familiar with Bluetooth heart rate monitors — a small pack of electronics mounted on a strap round the chest which can relay heart rate data to an external ...

Smartwatches are now much more than just fitness trackers. Besides logging your workouts, the best ones can also monitor your wellness, show notifications from your phone, and let you answer calls, ...

Wrist-worn heart rate monitoring devices have come a long way in the past few years, and for most people they now offer a genuinely convenient alternative to chest straps. The best wrist heart rate ...