Specifications:Model: SH08The size of the device: 40*18*8.7mmThe size of the package: 95mm*95mm*28mmBattery size: 20*12*3.5mmBattery capacity: polymer 45mahband weight: 6gprincipal part weight: 6gMainchip: DIALOGG-Sensor: 3D accelerated ROHMSDisplay light: BlueCharging: USB Interface Input Voltage5.0VBluetooth: BT4.0waterproof: IP67Support Android 4.3 or above，download the app"Smart Movement"from google playSupport IOS7.0 or above，download the app"Smart Movement"from App storeSupport "Pedometer/calories"，Sleeping monitoring，Vibration，Goal completed reminder，Alarm clock，Call reminder and Air-update.Standby time:25 days to 30 daysPackage:1 x Bluetooth Bracelet1 x USB Cable1 x User Manual