2 to 5 business days
Main Functions:Support:Heart Rate Monitor/ Blood Pressure Measurement/Sleep Monitor/ Pedometer/ Calories/ Sedentary Reminder/ Sport Mode/Alarm Clock and so on.Life waterproof: IP67 ,can wash hands, wear in the rain, but it better not swim,not into hot waterParameter:Model: M3Operating Mode: Single TouchBluetooth Version: 4.0Sreen Size: 0.87 inch OLED ScreenLength: 155-210 mmPackage include:1 *smart bracelet 1*Charging Line1*User Manual1*box