This smart fitness watch features a full touch screen, Bluetooth 5.0, and is compatible with Android and iOS devices. It has a range of software functions including custom wallpaper, music control, social app message reminder, and multi-exercise tracking. The watch also monitors heart rate, blood pressure, and blood oxygen levels. Please note that the measurement data cannot be compared with professional medical equipment. After receiving the watch, please charge it first and download the app to connect it to the watch.