Aluminiumalloy CPU chipRealtek RTL8762C,Wiki pro source VC31Material (sport Smart Watch)Zinc alloy + ABS/PCMain screenSport Smart Watch1.1.28inch Full Round,Diameter: 4.4 cm thick:1.1cm2.240*2402.1.28 inch IPS color screenOther parameters Charger:Magnetic pin charger Color:Black red, orange, blue, gray.Main Function (smart watch earphone)1.BT calling,Time Display,Speaker,MIC,Step,Calories,Distance.Sports Mode(Support(Yoga / elliptical machine / mountain climbing / swimming / running / walking);2.Raise your hand to brighten the screen,Sleep Monitor,Running Track,Incoming Call Remind,Message Remind,Sedentary reminder,Clock,Shake to take pictures;3.Find my watch,Flashlight,Change the dial background,Hourly measurement,Heart Rate ,Blood Pressure,Blood Oxygen,Weekly Health4.Stop watch, mobile phone search, hand display, sedentary reminder, alarm clock reminder (5), drinking water reminder, medication reminder, shake photoFeature (smart watch earphone)Time interface 6 kinds of UI dial display + massive dial + custom dial, mechanical movement style theme UI, 7 message storage and viewingBT Push (smart watch earphone)SMS, WeChat, Email, Facebook news and other APP notifications reminderHeart Rate Monitor (smart watch earphone)Heart rate monitor, monitor your heartbeat 24 hoursPedometer (smart watch earphone)Exercise steps, calorie consumption, exercise mileage recordSedentary Reminder (smart watch earphone)It's time to get moving and change your unhealthy lifestyleSleep Monitor (smart watch earphone)Record and analyze your sleep status scientifically and quantitativelyFind Phone (smart watch earphone)Anti - loss reminder. Two - way search (smart watch earphone)BT MusicControl music playback on your phone(smart watch earphone)Exercise modesupport outdoor hiking/indoor health CARDSRunning/indoor running/outdoor cyclingBT Callingsupport bt calls with Speaker and Microphone(smart watch earphone)Bracelet/UI font languageChinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Indonesian, Hindi, Polish, Turkish