1、BLE：4.0
2、Support mobile version：iOS 9.0 and above Android 5.0 and above
3、Supported languages：Chinese, traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese
4、Functions：Heart rate monitoring, exercise, sleep detection, blood pressure, incoming call/message content push, message reminder, alarm clock, photo, wrist-lifting and bright screen, mode switching, sedentary reminder, stopwatch, countdown