Specifications:
APP:Fitpro
Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and above
Screen size: 0.96 inches
Bluetooth: Bluetooth 4.0
Capacity: 80mAh
Charging method: USB
Waterproof rating: IP67
Charging time: about 2H
Life time: Use 2-3 days, standby 5 days