Multipurpose controller with mouse function

A multipurpose controller with a mouse function is characterized by comprising a shell, a trackball module, a trackball, a mouse function left key, a mouse function right key, a trackball module data line, a wireless switching module, a wireless switching module power supply line, a power supply control module, a battery positive electrode connecting wire, a battery negative electrode connecting wire and a rechargeable battery. A trackball module is installed in the shell and connected with a wireless switching module through a trackball module data line, the wireless switching module is connected with a power supply control module through a wireless switching module power supply line, and the power supply control module is connected with a rechargeable battery through a battery positive electrode wire and a battery negative electrode wire. The device can work in a wireless mode, can be connected with a plurality of controlled devices, and is convenient for any switching before the plurality of devices; in so