Power on: long press function key- Charging voltage 5V Current 1A-2.1A Charging time 2 hours- All-day activity tracking: steps, calories burned, mileage, and heart rate.- Automatically Sleep monitoring: sleep time & sleep quality.- Smart reminder: call reminder, messaging push, sedentary reminder.- More features: phone search, remote camera shoot, stopwatch.- 0.96″ TFT color touch screen: HD screen, easy to read all fitness data.- Customizable clock faces
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