Open the App and enter "My" >>> "Bracelet Settings" >>> "Remote Control Selfie". Then the selfie preview interface will pop out. Just shake the bracelet and you can take photos immediately.
Method 2:
When the App is open, find the camera interface on the bracelet and long press the button area of the bracelet. The App will enter the selfie preview interface. At this time, you only need to shake the bracelet to immediately take a picture.