The 1.43 inch organic Resolution: 466 x 466 pixels，PPI 326 EL (AMOLED) display features a high refresh rate of 60 Hz and crisp image quality. Stylish bezel protects the screen from drops and scratches They are seamlessly integrated to create a luxurious look Interchangeable Bezel for Extra Customization Possibilities The Xiaomi Watch S4 features a textured texture inspired by traditional watches. Combining functionality and sophistication, each design has a special style. When you install the dress-up bezel, it will automatically switch to the dedicated watch face with sound. Enjoy an unprecedented experience provided by delicate mechanisms Hundreds of Different Watch Faces: We have prepared a variety of watch face designs that combine traditional elements as a watch with the latest trends. From elegant and dynamic, to delicate and simple styles, find one of your favorites Sensors Heart rate sensor (with blood oxygen sensor) | Accelerometer | Gyroscope | Ambient light sensor | Electronic compass | Barometer sensor | Hall sensor (Upgraded 150 Types of Workout/Sports Modes) Compatible with over 150 different professional sports modes such as running, walking, and cycling. Xiaomi Watch S3 is also compatible with winter sports such as skiing and snowboarding. Advanced dual sensors enhance motion detection for more accurate motion detection Quick Gesture Control: Just move your wrist to operate it with one hand. Twist or flick your wrist to link customized functions on your smartphone such as rejecting calls via Bluetooth, activating Alexa, weather information, and taking photos. Satellite positioning systems GPS | Galileo | Glonass | BeiDou | QZSS
