If you want the most accurate heart rate readings, you'll need to strap on a chest strap.

Here's what happened when we tested the Garmin Cirqa against a chest strap for accuracy.

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 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 ...

As we previously reported, iOS 18.0 RC – which has just been released to developers – revealed details about a new heart-rate sensor that Apple has been developing for its earbuds. Our sources ...

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 ...

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 ...

I tested them against the Apple Watch and the Polar chest strap to find out whether you can trust them for your workouts. I’d been wearing my AirPods Pro 3 for months without ever touching one of its ...

Walmart has massively marked down a highly-rated pulse oximeter that's designed to monitor your heart rate and blood oxygen levels whether you're at home or playing sports. If you want a better ...

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 ...