Realtek8763EWE, 128M large memory, Bluetooth 5.1 protocol Support Bluetooth calls, one-click connection, making call scenarios more convenient Cool UI, supporting drag and drop operations and shortcut center functions Support multiple sports modes, 123+sports modes 1.27inch large IPS screen with 360*360 high-definition resolution? HRS 3605 low-power and high-precision heart rate, blood pressure, blood oxygen monitoring IP67 deeply waterproof, suitable for wearing in more environments Specification:? Hardware specifications CPU: Realtek8763EWE Memory: 128M TP: G+F, CST820 LCD: 1.27 inch IPS, resolution: 360*360 Motor: 0820flat motor, soldered wire type speaker 1506, Deep waterproof speaker MIC: 4015, Deep waterproof BT: BT 5.1 Communication format/data transmission: BT 5.1 Heart rate: HR3605 G-Sensor: Silan SC7A20 Charging method: 2PIN magnetic suction line with a spacing of 2.5mm Battery: Actual capacity 200mAh, V3.7 general pressure Waterproof grade IP67 Function Basic software functions: Step counting, sleep, heart rate, exercise, weather, camera control, music control, stopwatch, alarm clock, timer, sedentary reminderMessage, brightness adjustment, mute, QR code, blood oxygen, blood pressure, rest screen display, physiological period calendar, exercise records, voice assistant Sports/100+modes: 123 sports including walking, running, cycling, skipping rope, badminton, basketball, football, swimming, tennis, rugby, golf, yoga, gym, dance, baseball, elliptical machine, rowing machine, cross country running, skiing, bowling, dumbbells, sit-ups, free training, mountaineering, etc Dynamic heart rate: Dynamic heart rate trend and data analysis throughout the day Message and call reminder: Actions, shortcomings, microblogging, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, Line, Kakao Talk, etc. Call rejection: When prompted by an incoming call, click the hang up button to hang up the call WeChat Campaign: Support synchronous WeChat sports ranking Weather: Connect to the app and push local weather Watch Face Supports 8 built-in dials+APP massive dial selection Watch menu language: English Simplified Chinese Japanese?Korean?German French Spanish Arabic Russian Italian Portuguese Polish APP language: Danish, Ukrainian, Russian, Bulgarian, Hungarian, Bokmal Norwegian, Hindi, Indonesian, Trkiye, Hebrew, Greek, German, Italian, Czech, Slovak, Slovenian, Japanese, Pushtu, French, Polish, Persian, Thai, Swedish, Simplified Chinese, Traditional Chinese, Romanian, Finnish, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay Dafit APP Android phone: Supports the original operating system version 6.0 or higher For Apple phone: Support system versions above 9.0. You can check the version through phone settings. If the version is lower than 9.0, please upgrade first