Watch functions: 1. Number of exercise steps 2. Movement distance 3. Calorie consumption 4. 3-in-1 monitoring of heart rate, blood pressure, and blood oxygen 5. Make a call 6.Phone book 7.Music control 8. Exercise more 9. Sleep monitoring 10. View information 11. Stopwatch function 12. Customize the watch face 13.NFC access control 14. Exclusive app APP functions: 1. Alarm clock settings (8) 2. Find a watch 3. Remote control photography 4. Sedentary reminder 5. Raise your hand to light up the watch 6. Do not disturb mode 7. Device reset 8. Remove the device Note: The mechanical watch has a small buckle hidden design. To wear it, you need to open the small buckle connect it to the other end, and then close it.