1.6" AMOLED Screen: Smart watch with 1.6" AMOLED 454 * 454 HD full-touch colorful screen brings you extraodinary experience, more convenient operation and data viewing.Bluetooth Call: Call Receiving\/DialingWatch termial answer and reject calls, view call records. Talking becomes easy and comfortable at home and at work never miss any important information.Health Monitor:Advanced HR sensor for accurate and effective heart rate monitoring, helping you better understand your health and making a reasonable adjustment to your lifestyle. Automatic sleep tracking can monitor your sleep status (deep sleep, shallow sleep, awakening) and provide a comprehensive sleep quality analysis to help become healthier. You can view the summary of your status in the RDFIT APP.Personal Smart Assistant: NFC access control function, Activity tracker (pedometer, calories, distance), 38 sport modes,etc. Notifications of Call, SMS, and APP messages(Bluetooth distance 8-10 meters), TikTok control, remote control of music and cameras, weather report, sedentary reminder, alarm clock, stopwatch, find phone, call rejection, brightness adjustment, power-saving mode, and other functions to meet your daily needs.Long Battery \& IP68 Waterproof: The smartwatch only takes 2 hours to charge and can be used for 7-10 days or 30 days standby time, much longer than most traditional watches. The fitness watch is IP68 waterproof, you can wear it when washing hands, in the rain(Note: Do Not use in water more than 100. 40, such as showers, saunas, spring, etc).