Change mouse settings on iPad
You can change how you use a mouse to interact with items on the iPad screen.
Go to Settings > General, then select Trackpad & Mouse.
Do any of the following:
Change the tracking speed: Drag the slider to set the tracking speed of the pointer when you move it across the screen.
Turn Natural Scrolling on or off: With this option selected, the contents on the screen move in the same direction as your finger.
Specify a finger to use for Secondary Click: You can specify either the right or left finger to show the quick actions menu when you click items like icons on the Home Screen, messages in a mailbox, or the Camera button in Control Center. To turn off Secondary Click, choose Off (Magic Mouse 2).
Note: You can also change the appearance of the pointer, such as its color, shape, and size. See Make the pointer easier to see when using a mouse or trackpad with iPad.