User's Manual

4. Function and Operation
2
Turn-off: Hold the start-up button, The LED will flash
red light and vibrates， then enters the shutdown state.
Turn-on: Press the start-up button, the LED light will
flash blue quickly until the heart rate was found.
3. Basic Parameters
Product size: 46.5*36*14.5mm
Weight: 20g
Power: 90mAh Rechargeable lithium battery
Battery life: 16 hours for continuous heart rate
monitoring
Working temperature: 0℃~40℃
Transmission: ANT+, BLE