High Performance: 8773EWE-VP chip, 128M large memory, Bluetooth 5.2 protocol Bluetooth Call Function: Support Bluetooth calls, one-click connection, more convenient call scenes Rich UI scenes: Cool UI, support drag operation and quick center function, built-in six dials and six menu modes Multiple Sport Modes: Support 8 commonly used sports modes, APP can add 100and sports modes Clear Screen: 1.85-inch large screen, HD resolution 360x360 Health Monitoring: HX3605 low power consumption and high precision heart rate and blood oxygen, support liveness recognition, more accurate detection Waterproof: IP67 deep waterproof, suitable for wearing in more environments Specifications: Main control platform: 8773EWE-VP Memory: 128M TP: GandF, CST820 Display: 1.85-inch HD, resolution: 360x360 Motor: 0827 flat motor, wire welding Speaker: 1012, deep waterproof speaker MIC: 4015, deep waterproof Bluetooth: BT 5.2 Communication format or data transmission: Bluetooth Heart rate: HR3605 Step counting (G-Sensor): STK8321, accurate step counting Charging method: 2PIN magnetic cable, spacing 7.6mm Battery: actual capacity 700mAh, V3.7 general pressure Waterproof level IP67 Software basic functions: Quick bar (control center), data (steps, distance, calories), heart rate, blood pressure, blood oxygen, sleep, wrist-raising screen, weather, WeChat sports, information, reminders (messages, drinking water, sedentary, alarm clock), women's health, stopwatch, countdown, find phone, find bracelet, shake to take pictures, dial switch, music control, settings (language selection, brightness adjustment, screen on time, vibration setting, factory reset, version information), components (function editing), password lock, breathing training, exercise, exercise history, do not disturb mode, power saving mode, low power reminder, voice assistant (SIRI), call function, common contacts, phone dial, split screen (sidebar), scan code connection, calculator, calendar, OTA Sports or 100and modes: 8 common sports modes: walking, running, mountaineering, cycling, basketball, swimming, badminton, football through the APP, you can add: tennis, rugby, golf, yoga, gym, dance, baseball, elliptical machine, rowing machine, cross-country running, skiing, bowling, dumbbells, sit-ups , free training, and more than 100 sports Dynamic heart rate: dynamic heart rate trend and data analysis throughout the day Blood oxygen detection: supports red light and infrared light sensors to measure blood oxygen saturation Message and call reminder: phone, SMS, WeChat, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, and others WeChat Sports: supports synchronization of WeChat sports rankings Google Health supports synchronization of health data Weather: connect to APP and push local weather Watch face: supports six built-in watch faces and APP massive watch face selection Watch menu language: Simplified Chinese, English (default), German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese, Romanian, Polish, Turkish, a total of 15 languages APP language: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Czech, Slovak, Japanese, French, Persian, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Albanian, Arabic, Korean APP: FitcloudPro Android phone: Supports operating system version 6.0 and above For Apple phone: Supports system version 9.0 and above