1.57inch 200*320 display screen, Cpu RTL8762CK Android system 5.0version or above,iOS system 10.0version or above , Support bluetooth with 5.0 version, Charging 1A or less,Charging time 2 hours, Battery capacity 180 mAh, Theoretical working time 5-7 Days Theoretical standby time 15 Days IP68 waterproof Main Function: Heart rate detection, Blood pressure monitor, Blood oxygen monitor, Time , Pedometer, Calorie Consumption, Distance Calculation, Sleep time , Standard exercises functions (walking,Runing,Cycing,Swimming,Basketball), Sleep detection (Sleep time ,Sleep quality), Calls to remind, SMS Reminder, Third-party messaging reminder :Multilingual push , Task Reminder (Sedentary Drink reminder ) Main Parameters: The watch UI language: Chinese, Traditional Chinese, English, Japanese, German, Russian, Spanish, Italian, French, Portuguese, Polish, Arabic Large screen HD display Health monitoring Powerful battery life Multiple exercise modes Remote camera contorl Music contorl Watch alarm clock Weather fore