Memory: 128MTP: Capacitive touch TP, Hailichuang 816DDisplay screen: 1.83 inch 240 * 286 resolution high-definition square screenBluetooth: BT 5.0Waterproof grade IP68software function Software basic functions: dialing, frequently used contacts, call recording, step counting, sleep, heart rate, exercise, blood pressure, weather, camera control, blood oxygen, music control, stopwatch, alarm clock, timer, sedentary reminder, breathing training, calculator, message, brightness adjustment, silence, QR code, shortcut center, search for mobile phones, heart rate warning, voice assistant, and pressure monitoring.123 types of sports: walking, running, cycling, skipping rope, badminton, basketball, football, swimming, tennis, rugby, golf, yoga, gym, dancing, baseball, elliptical machine, rowing machine, cross country running, skiing, bowling, dumbbells, sit ups, free exercise, mountaineering, etcDynamic heart rate: trend and data analysis of dynamic heart rate throughout the dayBlood oxygen detection: supports red light and infrared light sensors to measure blood oxygen saturationWeather: Connect to the app and push local weather