[Versatile Compatibility]Compatible with both iOS and Android systems, ensuring wide-ranging usability across different smartphones. [Comprehensive Health Monitoring]Equipped with advanced sensors for heart rate, blood pressure, blood oxygen, stress, and sleep tracking, providing a holistic view of your health. [Multi-Sport Modes]Featuring various exercise modes to accurately track and analyze your workouts, helping you achieve your fitness goals. [Customizable Interface]Offers five UI menu styles and customizable watch faces, allowing you to personalize your smartwatch experience. [Advanced Connectivity]Supports Bluetooth-compatible calling, music playback, NFC, and offline Alipay, enhancing convenience in your daily life. [AI Voice Assistant]Incorporates an intelligent voice assistant for hands-free operation and quick access to information. [Long Battery Life]Enjoy 4-5 days of normal use or 15-20 days on standby, reducing the need for frequent charging. Specifications: Compatible with the system IOS/Android Function Bluetooth-compatible calling, Bluetooth-compatible music playing,  multi-sports mode, dial push, five UI menu styles, AI voice assistant, password protection,  raising hand to brighten screen, SOS,  heart rate,sleep monitoring, blood oxygen,  respiratory training, brightness level, do not disturb mode, time display, message, alarm clock, weather.Remote photo-taking, mobile phone searching (connected to mobile phone), stopwatch, timer, world clock,  calculator, calendar, drainage. App Supported languages Chinese, English, Japanese, Korean, Spanish, Portuguese, German, French, Italian, Polish, Ukrainian, Russian, Turkish, Dutch, Danish, Swedish, Indonesian, Thai, Arabic, Greek, Czech, Finnish, Vietnamese, Slovak, Romanian, Hungarian, Norwegian, Traditional Chinese, Bengali, Hebrew, Urdu, Persian, Bulgarian Device side support languages English, Chinese, Italian, French, Dutch, traditional Chinese Manual support language (neutral, brand matching) Chinese, English app COFit chip Jieli 7014 The Android system Support Android 4.4 or later IOS For Apple IOS 10.0 or later Heart rate sensor 3602 Bluetooth-compatible Bluetooth-compatible 5.0 Waterproof level IP67 Product process Zinc alloy + vacuum plating The fuselage net weight 38g The screen size 1.39 inch full circle Screen resolution 360*360 Screen type IPS full-view color screen The screen material glass Total length of wrist strap 260mm The battery type The lithium battery The battery model 552125 polymer The battery voltage 3.8V Battery capacity 300mAh Battery life Normal connection use 7-10 days, standby 15-20 days. (Connection usage depends on personal usage) Charging way Wireless charger Charging time about 3 hours Package included:1 x Smart Watch1 x Charging Cable1 x English and Chinese User Manual