1. Bluetooth calling function: This watch supports connecting to your mobile phone via Bluetooth. You can answer and make calls directly on the watch without taking out your mobile phone, providing a more convenient calling experience. 2. Screen size: The watch is equipped with a large 1.39-inch screen with a clear display, allowing you to view important information such as notifications, information, and exercise data more intuitively. 3. Multiple sports modes: The watch has multiple built-in sports modes, such as running, cycling, swimming, fitness, etc. No matter what kind of sports activity you engage in, the watch can accurately record your sports data and provide detailed sports analysis reports. 4. Fitness activity tracker: The watch is equipped with a fitness activity tracking function that can monitor your steps, distance, calorie consumption and other data. This data can help you understand your exercise situation and develop a more scientific fitness plan for you. 5. Smart functions: In addition to the sports tracking function, this smart watch also has other smart functions. For example, it can receive your mobile phone notifications and message reminders to help you stay up to date with important information. It also supports alarm clock, timer, pedometer and other useful tools.