Advanced display: The watch features a 1.72-inch high-resolution full-touch display with 320x380 DPI, providing a clear and easy-to-use display for all your activities. Bluetooth connectivity: This smartwatch supports both Bluetooth 3.0 and 5.1BLE (dual-mode) for seamless connectivity to your smartphone, enabling features like music control, call notifications, and more. Health monitoring: The watch offers comprehensive control functions, including ECG monitoring, stress monitoring, SpO2 (blood oxygen) monitoring, heart rate monitoring, blood pressure monitoring, and temperature monitoring. More features: In addition to monitoring body functions, the watch also has a range of other handy features, such as camera remote, stopwatch, timer, flashlight, calculator, voice assistant and social media notifications. Specifications: dial size: 4.3x2x3.7 cm Bracelet length: 22.5 cm Material: Tempered glass, silica gel, PC, ABS Compatible system: Android 4.4 and above, IOS 8.2 and later Charging time: 2 hours Battery capacity: Pure cobalt lithium battery 290 mAh Working time: 7-10 days Standby time: 30 days Bluetooth: 3.0+5.1BLE (dual mode) Screen size: 1.72 inch 320x380 dpi Functions: Bluetooth Music & Calls, ECG Monitoring, MET, Heart Rate, Blood Pressure, Blood Oxygen, Body Temperature, Camera, Stopwatch, Timer, Flashlight, Calculator, Voice Assistant, Notifications Languages: Chinese, English, Russian, German, French, Japanese. The default language is English. The watch's measurement functions are only intended to provide indications of well-being and are not suitable for medical purposes. Package includes: 1 x smartwatch 1 x charging cable Operating instructions