Devices that track heart rate and other vital signs in real-time, often used for fitness and health monitoring.

Fitbit

Fitbit

Polar

Oura

Fitbit

Garmin

Polar

Amazfit

Samsung

Xiaomi

Livikey

Garmin

Amazfit

Garmin

Xiaomi

Amzhero

Torjalph

Polar

Amazfit

Fitvii

Choiknbo
Polar

Polar

Whoop