Large HD Display 1.85-inch TFT high-definition screen with 240*280 resolution for clear and vivid visuals Advanced Health Monitoring Continuous heart rate tracking, blood oxygen saturation measurement, and blood pressure monitoring for comprehensive health insights Bluetooth 5.2 Connectivity Supports one-key connection and Bluetooth calling, allowing you to answer, reject, or make calls directly from your wrist Long Battery Life 260mAh high-capacity pure cobalt battery core provides 35 days of standby time and 5-7 days of working time Versatile Functionality Over 100 sports modes, weather forecasts, voice assistant, message notifications, and support for various apps like QQ, WeChat, Facebook, WhatsApp, and Line Customizable Experience Supports custom wallpapers, multiple watch faces, and personalized features like medication reminders and menstrual cycle tracking Specifications: Display: 1.85-inch TFT HD screen, 240*280 resolution CPU: Realtek 8763EW Touch: Full screen touch Button: Rotary encoder Bluetooth: BLE 5.2 Heart Rate Sensor: VC30F G-sensor: SC7A20 Battery: 260mAh pure cobalt core Standby Time: About 35 days Working Time: 5-7 days OS Compatibility: Android 5.0+ and iOS 9.0+ Water Resistance: Supported (level not specified) Sensors: Heart rate, blood oxygen, blood pressure Special Features: SOS, flashlight, calculator, music control, remote camera control