Features: 0.96 inch full view HD color IPS screen. Top waterproof reach IP68. Call and messages reminder, heart rate and blood pressure monitoring. Sleep monitor, recognize your sleeping status (light sleep time, deep sleep time and awake hours). Support BT 4.0 or above, Android 4.4 / IOS 7.1 or above. The App language follows your mobile phone language. Record your daily steps, distance, calories, providing comprehensive fitness data for you. Support USB charging, more convenient. Various background you can select. It will display date, time, BT, heart rate etc.