【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 dial through the "DaFit APP" APP and choose your favorite dial style. 【24/7 Heart Rate Monitor & Sleep Tracker】Automatically monitor your real time heart rate and manually detect your blood oxygen(SpO2),and provide comprehensive analysis of your sleep quality (deep sleep,light sleep and wake up time) to help you develop a healthier lifestyle.(NOTE:the data can not be used for medical purposes,it is for referrence only). 【Waterproof Fitness Watch & Accurate Activity Tracking】This smart watch is designed with IP68 waterproof which allows you to swim at swimming pool with no worries.Supporting 8 sports modes (running,walking,badminton,cycling,basketball,football,swimming,rope skipping),the watch shows your accurate steps,calories burned,sport mileage,heart rate and you can see more detailed datas on App. 【Message Notification & More Practical Tools】Connecting this smartwatch with your phone,you can receive notifications of Facebook,WhatsApp,Instagram,Twitter and more,even hang up incoming calls.It will never let you miss any important things.Also there are many convenient functions like Timer,Stopwatch,Find device,Sedentary Reminder,Music Control and Weather Display.(Note:you can not reply to messages and make phone calls on this watch.) 【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. Super battery life, you only need to charge for two hours, you can use it for 5-7 days, standby time is 10-15 days, the built-in 220mAh solves your battery anxiety and provides you with longer battery life.