I pitted the Apple Watch Series 12 against the Garmin Forerunner 570.

I wore both in the gym to compare ...

Smart rings place PPG sensors on finger arteries that deliver signals 10–100x stronger than the wrist, explaining a verified ...

On World Heart Day 2026, the CMF Watch 3 Pro brings heart-rate, SpO₂, stress and sleep tracking to a Rs. 7,999 smartwatch. In testing, its heart-rate and SpO₂ readings were broadly consistent with ...

I Tested the New Apple Ultra 4’s Readiness Score and Battery Life. Here’s Why It's Worth the Upgrade.

The Apple Watch Series 12 heart rate sensor has quietly evolved into a monsterTo put it simply, the internals of this Apple ...

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 ...

The Evolution and Multifunctionality of Heart Rate MonitorsThe potential and performance of heart rate monitors have evolved ...

If you're like me and can't sacrifice freedom of movement for a watch-style fitness tracker, I'm happy to tell you that there ...

CNET Labs found AirPods Pro 3 averaged 1.67% heart rate error vs a Polar H10 chest strap, second only to Apple Watch at 0.98%. Apple’s AirPods Pro 3 heart rate ...