Startech 4-Port KM Switch with Mouse Roaming, USB Switch for Keyboard/Mouse, 3.5mm and USB Audio, Peripheral Sharing for 4 Computers, USB 3.0 Switcher, TAA Compliant - Hotkey/Pushbutton Switching (P4A20132-KM-SWITCH) - Keyboard/mouse switch - 1 local user

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
• Preset monitor layouts
• Thoughtful design

• 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. Hotkey and push-button switching are universally compatible. Mouse roaming is supported by most major desktop operating systems, including Windows, macOS, and Linux.
• Preset monitor layouts
  To accommodate various physical monitor setups, there are six preset display configurations available. This allows for smooth mouse movement across host monitors.
• Thoughtful design
  Hotkeys enable listening to audio from one computer while controlling another. USB audio and 3.5 mm pass-through are available, and LEDs provide visual port selection status, while an audible buzzer confirms hotkey selection.