The tough shape is comfortable and durable. The 139-inch TFT large screen is equipped with 360*360 high-resolution. Rich and unique. The professional and advanced Realtek8763EW wearable chip realizes efficient computing under the cooperation of intelligent algorithms and various sensors, bringing a smoother experience. The APP has built-in a variety of personalized dials, a mechanical style with a sense of technology, a sporty style with full vitality, and a custom style... You can see the excitement of life just by lifting your wrist. No need to insert a card, you can share time-sensitive mobile phone watches, mobile phone calls are pushed to the watch in a timely manner, and important calls will not be missed: the watch has a built-in AAC high-fidelity speaker, and the call is clearer and shows the high-definition original sound. The watch has a built-in 1012AAC high-fidelity speaker, fully displaying high-definition original sound: you can play music on the watch during exercise, surrounded by super-large speakers in 3D, and enjoy music at close range, so that exercise is no longer monotonous. A variety of professional sports modes can be switched at will, and you can choose the corresponding sports plan according to your own needs, and scientifically plan the exercise time and intensity. Raise the wrist to see the real-time exercise data to grasp the exercise status throughout the process, making exercise more effective. The watch has a built-in multi-channel PPG biosensor, which can perform 24-hour real-time heart rate monitoring, blood oxygen monitoring, sleep monitoring, etc., to continuously protect your health and not miss every heartbeat moment. Incoming calls, alarm clocks/sedentary reminders, social messages, etc. will be displayed on the watch and synchronized with the mobile phone in real time, making it easy to deal with fragmented information. High-performance koi battery brings long-lasting battery life: it can stand by for 20 days on a single charge, so that travel is no longer disturbed by power, and you can explore the wonderful world to your heart's content. The watch supports the IP68 standard, which can effectively prevent sweat or raindrops from splashing up and down the mountain and make it more comfortable to wear.