Machine configuration Type Details Description Product Structure Product Type Smart Bracelet Wrist strap size 255mm*20mm*2.3mm Body size diameter 42.5mm*9.5mm Weight 44g Display screen size 1.3inch Resolution 240*240 Battery size 501726 Capacity 170mAH Machine material cover glass Body zinc alloy plating Strap TPU Hardware parameter Type Details Description CPU type Hs6620D Heart rate, general heart rate, wk1070 RAM (random access memory) SRAM 128kb  SFlash (Read Only Memory) Flash 1M Acceleration sensor G-sensor 3 axis Vibration motor cylinder motor Bluetooth built-in BT antenna Charger interface power contact Button touch single point Android version 4.4 or higher Apple system version 8.4 or higher Software function Type Details Description Software function Time display Support Step support Calorie support Distance support Sports mode support Raise your hand to brighten the screen Sleep monitoring support Running track support Call reminder support Message reminder Sedentary reminder Alarm clock support Do not disturb mode support Shake a photo to support Find bracelet support Dial switch support Long press touch support Weather support Quick screen support Dial Chinese and English support Integral measurement support WeChat campaign support Heart rate support Continuous heart rate is not supported Blood pressure support Blood oxygen support ECG does not support Apple Health Support Health Weekly Support Bluetooth name support language support APP name Wearfit2.0 Charging method OTA upgrade support Waterproof Waterproof IP67