It’s important to note that watch-style heart rate monitors aren’t medical devices and may not always be accurate, especially during exercise or if they don’t fit well. They also tend to ...

These top watches will give you the data you need to perform your best Unlocking the secrets to your optimal fitness and ...

Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.

To test the Galaxy Watch's heart rate monitoring accuracy, I compared it with medical-grade equipment from my local ...

If you’re an Android user, the Samsung Galaxy Watch 6 might catch your eye. Alongside the usual heart-rate monitoring, it also has the ability to monitor your blood pressure or perform an ECG test on ...