3D Curved Bezel-less Design All-round Health and Fitness Tracking Music Storage and Playback Long Battery Life Edge-to-Edge Glass Personalized Watch Faces Modular Information Dial Comprehensive Health Protection Blood-oxygen Saturation Measurement All-day Heart Rate Monitoring PAI™ Health Assessment System Sleep Quality Monitoring Monitor Your Stress Levels Bluetooth Calls Offline Voice Assistant 3GB Music Storage and Playback 7 Day Battery Life 90 Built-in Sports Modes 5 ATM Waterproof Quick Access to Key Information Customize Alert Duration and Intensity Compatible with the Zepp App Optimized Health Data Management Screen Size: 1.65 inchScreen Type: AMOLEDResolution: 348 x 442