StarTech.com 4-Port KM Switch with Mouse Switching USB Switch for Keyboard/Mouse 3.5mm/USB Audio Peripheral Sharing for 4 Computers TAA Compliant

Control up to four computers with a single keyboard and mouse This Keyboard and Mouse (KM) Switch enables switching a single keyboard and mouse between multiple computers using mouse roaming allowing users to seamlessly move the cursor across multiple screens (i.e. one monitor per computer).

Mouse Roaming Switch between computers by moving the mouse between monitors without the need for hotkeys or physical buttons enabling uninterrupted workflow and increased efficiency.