ÃÂ Product model: A21
ÃÂ LCD specifications: 1.54Â inch TFTÂ displayÂ
ÃÂ Touch Screen: G+F 2.5D full touch
ÃÂ Size: 44mm*38mm*12.5mm
ÃÂ OS Support: Android 4.4 and above; IOS 8.0
ÃÂ App: Vband or Customize
ÃÂ Resolution: 240Â * 240
ÃÂ Hardware platform:Â AB5376A
ÃÂ Memory : 64M
ÃÂ Bluetooth : 5.0
ÃÂ Vibration mode:Â support
ÃÂ Side buttons :support
ÃÂ Heart Rate Detection : support
ÃÂ Pedometer : Â support
ÃÂ Sleep monitor: Â support
ÃÂ Multiple Sports Mode: Support
ÃÂ Calorie: support
ÃÂ Blood Pressure: support
ÃÂ Blood Oxygen: Support
ÃÂ G-SENSOR: support
ÃÂ Main feature: sport heart rate detection
àWaterproof:  support IP67
ÃÂ Battery : 200mAh battery
àCharging Port: Magnetic pin
àColor : Pink, Blue,Black
ÃÂ Certificates: CE, RoHS, UL
Package: 50pcs/Carton, 625mm*350mm*180mm