Use for the first time...........................................................................................................................................1
1. Activate wristband.........................................................................................................................................1
2. Download and install APP.............................................................................................................................1
3. Bind the device ...............................................................................................................................................1
4. Unbind device.................................................................................................................................................2
5. Data synchronization.....................................................................................................................................2
Get familiar with S1 ...........................................................................................................................................3
1. Wear wristband ................................................................................................................................................3
2. View the wristband ..........................................................................................................................................3
3. Lighten the screen............................................................................................................................................4
4. Waterproof .....................................................................................................................................................4
Measure heart rate .............................................................................................................................................4
1. Defaulted heart rate zone..............................................................................................................................4
2. Enable heart rate measure ............................................................................................................................5
2.1. Enable real-time heart rate measure.................................................................................................5
2.2. Turn on 24H heart rate monitoring...................................................................................................5
3. Turn off heart rate measure..........................................................................................................................6
4. User-defined heart rate prewarning value...................................................................................................6
4.1. Corresponding icons in heart rate zones...........................................................................................6
4.2. Startup heart rate prewarning alert..................................................................................................6
4.3. Set HRmax...........................................................................................................................................6
5. View the heart rate history............................................................................................................................6
6. Wear mode and precautions for heart rate measure ..................................................................................6
Exercise records..................................................................................................................................................7
Air pressure, temperature..................................................................................................................................7