Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

In 2025, fitness trackers have become more sophisticated, offering advanced health insights, seamless connectivity, and ...

The UltraHuman Ring Air comes with a charger and cable in the box, though there's no AC brick. Sliding the ring onto the ...

“Fitness trackers offer a ton of benefits—they can monitor your heart rate, track your workouts, count your steps, analyze ...

If you enjoy working out, chances are you also enjoy tracking your workouts. You want to know how long you're exercising for, ...

No matter how you stay active — be it through walking, running, biking, weightlifting, or swimming — tracking all that information has never been easier thanks to advancements in fitness ...

Here’s how it works. The best fitness trackers you can buy today range in price from just under $50 to several hundred dollars. For 2025, we've rounded up and tested every popular model out ...

Best Buy has knocked $39 off the price of the Garmin Forerunner 55, dropping its price from $199.99 to $160.99. This is a ...

Whether you want to count steps, track your sleep or boost your running performance, these are the best fitness trackers to buy on a tight budget. When you purchase through links on our site ...

With their ability to do everything from count steps and monitor heart rate to track sleep and tally calories, it’s little ...

Measured in milliseconds, a normal HRV for adults can range from below 20 to above 200, depending age, gender, and other ...

This guide helps you find the best fitness tracker for detailed heart rate and sleep analysis. We’ll compare top models, ...