Experience precise, real-time heart rate and calorie tracking with the COOSPO HW9 armband.
- ±1 BPM optical heart rate accuracy delivers reliable calorie tracker data and real-time insights during every workout.
- 5-color LED Heart Rate Zone indicator plus HRV support helps you optimize intensity and recovery, with max heart rate customization in the Heartool/Coosporide App.
- Comfortable, adjustable armband design provides freedom of movement across sports, a practical alternative to chest straps or wristwear.
- Bluetooth 5.0 and ANT+ enable two simultaneous connections to GPS devices and apps; vibration alerts when you exceed your max HR; up to 35 hours of battery life with fast-charge; compatible with 200+ apps.
