[Micro-curved screen & custom dial] 1.57-inch long strip micro-curved screen, giving you a unique visual and user experience. 240*360 resolution full touch screen, clear and bright. Five brightness options allow you to easily read information in the sun. In addition, there are four dials for you to choose from. You can customize the watch face through the "DaFit APP" APP, and choose the watch face style you like. [24/7 Heart Rate Monitoring and Sleep Tracking] Automatically monitor your real-time heart rate, manually detect your blood oxygen (SpO2), and comprehensively analyze your sleep quality (deep sleep, light sleep, wake-up time) to help you maintain a healthy lifestyle . (Note: The data cannot be used for medical purposes, for reference only) [Waterproof Fitness Watch & Accurate] Activity Tracking] This smart watch adopts IP68 waterproof design, allowing you to swim in the swimming pool without any worries. Support 8 sports modes (running, walking, badminton, cycling, basketball, football, swimming, skipping rope), the watch displays your accurate steps, burned calories, exercise mileage, heart rate, more detailed data can be viewed in the App. [Message notification and more useful tools] Connect this smart watch to your phone to receive notifications from Facebook, WhatsApp, Instagram, Twitter, etc., and even hang up the phone. It will never let you miss anything important. There are also many convenient functions, such as timer, stopwatch, search device, sedentary reminder, music control and weather display. (Note: The watch cannot reply to text messages and calls.) [Strong battery life and strong compatibility] Our watch is compatible with smartphones with IOS 10/Android 5.0/Bluetooth 4.0 and above. Connect your mobile phone by downloading the "DaFit APP" application. Long battery life, charge for two hours, 5-7 days of use, 10-15 days of standby, built-in 220mAh to solve your battery anxiety and provide you with longer battery life.