StarTech 4-Port KM Switch USB Keyboard Mouse 3.5mm

The StarTech 4-port KM switch lets two users share keyboard and mouse peripherals across up to four computers without cable swapping under the desk. Push buttons on the unit toggle between systems, and the design works with both USB and 3.5mm audio connections for seamless switching. No power supply or software installation is needed, making it well suited to open-plan offices, IT helpdesks or shared workstations where staff rotate through the same desk.