Two gold-standard chest straps enter. Only one gets our vote. We’ve already reviewed Polar H10, and it made a strong impression. But it also left us wondering whether other chest straps could compete ...

If your smartwatch comes with heart monitoring capabilities, it's either using an optical heart sensor or an ECG: here's what ...

Apple's ECG (electrocardiogram) feature can help you evaluate your heart's rhythm, but it is not designed to detect or ...

SAVE $50: As of Aug. 7, the Beats Powerbeats Pro 2 are on sale for $199.95 at Amazon. That's a 20% discount on the list price ...

Whether you’re training for a marathon, getting ready for a long hike, or just working on your fitness, you’ve probably searched for the best way to track your heart rate. That’s when chest strap ...

The new Oura Ring 5 is smaller, more comfortable, and backed by smarter AI features. Find out whether it’s worth upgrading from the Ring 4.

A new study shows how ordinary phone unlocks could eventually support passive heart-rate tracking, using facial video and deep learning to make cardiovascular monitoring more accessible while raising ...

At SID Display Week 2026 in the United States, Samsung showcased a range of next-generation display technologies that could redefine how smartphones are used in daily life. The highlight of the event ...

With a Whoop health tracker strapped to my wrist for the past year, I’ve had an unusually detailed window into my biology – sleep, blood oxygen, steps and, most intriguingly, heart rate variability, ...

4iiii Viiiiva HRM: Most of us wear a heart rate monitor, even if we don’t use the information to improve our fitness and training, but we do know if we have done too much, not enough, or maybe your ...

As a runner, I’ve been lucky enough to have small ear canals that usually hold a pair of earbuds in place as I run and work out, so I’ve never really needed to use ear hooks. (Or even need a separate ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...