Smart Watch for Android iOS Phones Compatible 1.57 inch Full Touch Screen Fitness Tracker with Heart Rate & Blood Oxygen Monitoring IP68 Waterproof Smart Watches for Men Women (Black)

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【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).