The Coros Heart Rate Monitor is a strap-based monitor designed for your upper arm that uses optical tracking tech to measure blood volume, rather than electrocardiograph or ECG, which measures the ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best chest strap heart-rate monitor overall? The best chest strap heart-rate ...

Want more tried and tested recommendations from the RW editors? Sign up to our new weekly newsletter Kit Bag. Click here to subscribe. Training smart means mixing up the intensity of your runs – not ...

When the first Apple Watch made its global debut, Apple said it was a product that would enrich people's lives and encourage them to adopt a healthier lifestyle, thanks in part to a heart rate sensor ...

July 9, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Deal pricing and availability subject to change after time of ...

You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test. The Polar H10 heart ...

For years, companies have tried to integrate heart rate monitoring into earbuds, but they never quite got it right. I tried several of these early attempts, only to find that the fit was never secure ...