Function: Step counting, calorie consumption, sleep monitoring, sedentary reminder, heart rate monitoring, blood oxygen monitoring, blood pressure monitoring, information reminder, intelligent anti-lost, smart alarm clock, handle bright screen, etc. 1. Have heart rate and blood pressure monitoring. 2. Sports step: independent control of the sport mode is optional 3. Fully automatic sleep monitoring 4. Pushing of various social information 5. Remote remote self-timer 6. Three modes of dial switching 7. Support language display in multiple countries; undefined