Featherweight Form.

Heavyweight Function.

All Day Health Tracking

Not only does it accurately monitor yoru heart rate during exercise, it also tracks your heart rate all day to kepp you informed about your fitmess status.

Built-In Pulse Ox Sensor

It also measures your oxygen saturation level to help you understand the changes in your oxygen saturation level at different altitudes and when you sleep.

Underwater Heart Rate

Using rist optical heart rate sensor, your heart rate will be displayed in real time for you to easily know your training intensity.