Functions: Heart rate monitoring, Bluetooth calls, music playback, information reminders, blood oxygen monitoring, sleep monitoring, calories, IP68 waterproof brightness adjustment, sedentary reminder multi-sports mode, long-lasting battery life, remote control camera, step count, smart alarm clock. The new 1.91-inch colorful large screen and metal body, the details of the watch body, the enhanced design of the internal structure, and the carefully carved external case have upgraded the three-proof structure of the watch again, while also taking into account the sense of strength and practicality. The watch has built-in a variety of personalized dials, such as technological style, simple style, sports style, etc. You can customize the dial, turn your favorite pictures into dials, and you can see the excitement of life by raising your hand. Realtek8763EW low-power Bluetooth call, not only can make and receive calls, but also query call records, communication contacts, and establish a closer relationship more realistically. Equipped with a professional dynamic heart rate monitoring mode, the algorithm is optimized for various sports scenes, and the accuracy of heart rate data is high: you can view real-time heart rate data when you lift your wrist during exercise, providing timely, safe and scientific guarantee for your exercise. The watch is aimed at basic runners, running fat-reducing people, and partners who need endurance improvement and cardiopulmonary exercise; it supports a variety of sports modes, running, skipping, sit-ups and more than 100 kinds of sports, and accurately records exercise time and real-time running results Step count. Advanced low-power chips, brand-new circuit design, deep-rooted power management and optimization allow the watch to have a long-lasting battery life: let you wear it worry-free, get rid of battery anxiety, and accompany users around. It is waterproof in life, can be worn for washing hands, face, swimming, etc., and there is no need to worry about sweating during exercise. The strap is made of skin-friendly silicone material, which is light, comfortable, waterproof and wear-resistant.