Xiaomi Band 3 is a smart wristband launched by Xiaomi Technology Company. It has a lightweight and stylish design, suitable for daily wear, and provides rich health tracking and intelligent functions. Equipped with a 0.78-inch OLED touch screen, the display is clear and bright, making it easy to view time, steps, heart rate, and other health data. Health tracking is one of the key features of Xiaomi Mi Band 3. It can monitor heart rate, sleep quality, and exercise data in real-time, and provide detailed reports and analysis. It also has a pedometer and motion pattern recognition function, which can record steps, distance, and calorie consumption. It also supports intelligent notification function.