How to set the buttons when the mouse is connected to the mobile phone

The setting steps are as follows:

1. Open the settings application of your phone.

2. In the Settings application, find the "Accessibility" or "Accessibility" option and turn it on.

3. Find the "Pointer and Trackball" option.

4. Under this option, you will see options such as "Mouse Wheel Button" or "Scroll Launcher", depending on the mobile phone manufacturer and mobile phone model.

5. Click this option to enter the mouse button setting interface.

6. In this interface, you can select the keys corresponding to single-click, double-click, right-click, left-click scrolling and other functions.

7. You can set the button mapping for the mouse here and configure the desired operation to each button.

8. Click the "Save" button.