Indicates whether the model employs a chest strap mounted sensor that transmitts to a watch, a chest strap mounted sensor that transmits to an iPhone app, a watch that requires the user to touch ...

The Polar H9 costs less than other HRMs that ... It features an indicator LED that lights up in different colors as your heart rate zones change, and has a special mode for triathlons and ...

The Polar H10 heart rate monitor provides basic heart rate measurements from a chest strap ECG, compatible with a number of fitness tracking apps that monitor heart rate zones wirelessly using ...