Elecom M-IT10UR Series User Manual page 14

2) Plug the USB connector into the USB-A port on a PC.
You may use any USB-A port.
For devices that do not have a USB-A port, please use a USB Type-C hub.
Ensure that the connector is correctly oriented to the port.
If there is strong resistance when inserting, check the shape and orientation of the connector. Forcibly
inserting the connector may damage the connector, and there is a risk of injury.
Do not touch the terminal portion of the USB connector.
To remove the trackball
This product supports hot plugging. The trackball may be removed while your PC is in
operation.
3) The driver is automatically installed and the trackball can be used.
You can now use this product.