Supports USB keyboards, mice, and USB peripherals. Four computers share up to four different USB peripherals (2 HID, 2 USB 2.0). True USB 2.0 emulation technology. Front-panel push buttons and hotkey functions for easy computer selection. Activate autoscan by pressing front buttons. Support keyboard and mouse plug-and-play. No software required. In additon to these other features, this desktop switch supports independent simultaneous device selection. Work on one computer while USB peripheral are connected to other computers.