How to turn off the headset broadcast number on Xiaomi mobile phone

Xiaomi mobile phone turns off the headset number as follows.

1. Click to open the settings.

2. Find and click to enter more settings.

3. Click to enter headphones and sound effects.

4. In the online control mode, you can choose the upper and lower two-button control and three-button button of the earphone.

5. Click to turn off headset dialing.