✔︎ Support for Android 4.4 and above, for iOS 9.0 and above. It can not only remind you via vibrating when your phone receives calls, messages or other notifications such as from Facebook, Twitter, or WeChat, but also displays details on the screen directly. ✔︎ Full Touch Color AMOLED Large Screen - Resolution 240*120, 2.5D reinforced glass arc design, supports Huawei EMUI Outdoor Sports Cycling mode 5.0 and above and iOS 9.0 and above Smart Phone ✔︎ Perfect Personal Health Tracker - Automatically recognize swimming traces, swimming speed record, distance, calories, and average SWOLF. Call reminder, WeChat content display, mail display, alarm display, sleep monitoring, heart rate monitoring, find mobile phone, QR code payment, blood oxygen monitoring, calorie counter, automatic step counter, distance, date/time, real-time screen, sedentary reminder