200211 can act as mouse, but the program is complicated based on different PC system. And the premise is that your device support shortcuts operation.
Below is a simple instruction:
Open an notepad on computer (or text editor on Mac)；Close the input method then keep pressing rotary knob and connect USB cable; menu will be showed in notepad; Short press button to enter main menu (keep pressing button in MAC system);
Then you can turning rotary knob or press it to set shortcut key for different custom actions.
There are over 160 keys for choice.