One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

I tested them against the Apple Watch and the Polar chest strap to find out whether you can trust them for your workouts.

The MAX30105 is an optical sensor capable of a great many things. It can sense particulate matter in the air, or pick up the blinking of an eye. Or, you can use it as a rudimentary way to measure your ...

Before you decide to click away, thinking we’re talking about some heart rate monitor that connects to a display using WiFi, wait! Pulse-Fi is a system that monitors heart rate using the WiFi signal ...

This simple circuit enables you to listen to your heartbeat, for instance, while you are exercising. The transducer used for detecting the pulse is an electret microphone, X1 in the diagram. The model ...

The Garmin HRM-Fit is a heart rate monitor made for women, or at least anyone who would wear a sports bra while exercising. Where other heart rate monitor straps use an elastic band and a metal popper ...

Casio has released its latest fitness-oriented digital watches, the G-Shock G-Lide GBX-H5600 series, in the US market. Following an initial launch in Japan earlier this spring, the new models are now ...

Your Galaxy Watch is telling you your resting heart rate is 120 BPM while you’re sitting on the couch. You know something’s wrong. The truth is, Samsung’s Galaxy Watch series has struggled with heart ...

If your Fitbit Charge 6 is giving you heart rate readings that are clearly wrong — showing 85 BPM during a HIIT workout when you’re gasping for air, spiking to 200 BPM while you’re sitting on the ...