Fitbit devices and Pixel Watch models don’t have any dedicated AFib sensors onboard. Instead, they use their heart rate (PPG) sensors to keep track of your pulse rhythm. Viable data is collected ...

In-ear heart rate tracking relies on photoplethysmography (PPG) – a fancy term for measuring blood flow using light. The Powerbeats Pro 2’s sensors emit green LED light, which reflects off the ...

In May 2020, the European Union introduced Medical Device Regulations, which include PPG heart rate sensor tests to help establish consistency and accuracy in devices with a PPG heart rate sensor.

If you’re not ready to invest in a smartwatch or heart rate monitor, you can also manually check your pulse to track it throughout your workouts and at rest. The easiest way: Count the number of ...