Using the two supplied USB 3.0 cables from the Plugable USB 3.0 sharing switch to the respective USB 3.0 or 2.0 ports on the computers, and the unifying receiver USB dongle at the input of the sharing switch allows for easy switching between the PC and the Mac Mini by the use of the two illuminated (blue light) push-button switches.
https://www.amazon.com/Plugable-Sharing-One-Button-Swapping-Computers/dp/B00JX3Q28Y