Main features :  Realtime heart rate information to remind, to support the page movement record
Special features :  multi-sport mode (running, swimming, basketball, etc.)
Master heart rate :  nRF51822
Sensor :  Triaxial acceleration sensor
Vibration
Waterproof IP68
System compatible :  support Android 4.4+ and IOS 8.8+
Screen system :  0.96 inches
Screen type :  OLED
Bluetooth :  Bluetooth V4.0
Battery capacity :  90mAh
charging method :  contact
charging leadtime :  2 hours
Standby time :  more than 10 days
Multi-langauge support
Appearance :  Metal + silicon color strap