1.43-inch 454*454 AMOLED touch screen with a watch face that is always on the watch screenBluetooth calling (making and answering calls, synchronizing contacts, call records, caller name display)NFC support and AI voice assistant, reminder and messaging functions24-hour heart rate monitor, blood pressure monitor, blood oxygen monitor, sleep monitor, female menstrual cycle reminder, breath training, stress measurementSupport multi-sport mode (walking, running, treadmill, climbing, cycling, basketball, soccer, yoga, free movement), record steps, calorie consumption and distance.Always on screen, stock market, games, NFC, calendar, world clock, computer, bedside lamp, password unlock, weather forecast, music control, pedometer, mileage, sedentary lifestyle, searchMultiple user interface menus to choose fromMassive market of watch faces, you can also customize the watch face