Specifications:

   Screen:OLED
   Material:Silicone
   Bracelet weight:31g
   Screen Dimension:0.91
   External Dimension:43mmx17.1mm
   Product Thickness:9.22mm
   Li-Po:rated capacity 80mAH
   Bluetooth Standard:2.1+EDR,
   Standby time:32h 
   Color：Blue/Black/Green/Red/Yellow
   Application System:2.1 IOS Android
   Application Function:Pedometer/Sleep Monitor/Bluetooth/Stopwatch/Ultra-long Standby time/

                                      Low radiation/Chinese&English