Smart movement,LED display screen,Alloy case,High transparent resin glass,PU Watch Band，Battery capacity:550HMACompatible with a variety of smart phones on the market (Android and Apple IOS system)，Apple can only synchronize music and telephone.NO CHARGE:This watch do’t have regular charging,endurance,use more convenient.Long life,Function:PEDOMETER, CALORIE, DISTANCE, ALARM, STOPWATCH, CALL REMIND, INFORMATION REMINDER, REMOTE CAMERA, LOW REMINDER, BLUETOOTH 4.0, FSTN SCREEN, CLOUD SERVICE,DATA ANALYSIS, TARGET MANAGEMENT, LUMINOUS DIAL, WATERPROOF, SOCIAL INTERACTIONThis is a multi-functional Smrt watch, As a gift to the Friends and family choice.Special features:Time, Week, Date, pedometer, Calorie, Aims, Data, Call remind, App Remind, Sleeping monitor, Remind, Distance, Time, Bluetooth, 30m waterproof, Remote camera ,Lowbattery indication.SPORT REAL-TIME RECORDING