Heart rate variability is one of the main things your smartwatch or fitness tracker measures. Here's what it means.

On Wear OS, the Google Clock app can power alarms, timers, and stopwatches. That’s a standard set of features on any smartwatch, which is why every smartwatch has its own app for exactly that ...

The first version of the Apple Watch, launched a decade ago, revolutionized the wearables market for fitness enthusiasts.

This simple Galaxy Watch trick can address issues like battery drain, software glitches, and sluggishness. Here's how it works.