The LINDY CPU Switch Pro USB 2.0 Audio allows you to switch control between 4 PCs using only a single keyboard, VGA monitor and mouse. This advanced USB KVM switch supports PC\'s with USB keyboard and mouse ports and VGA analogue graphic cards. It also features speaker and microphone connections allowing each computer\'s audio signals to be switched too! Includes a two port USB 2.0 hub for connecting and sharing high speed USB devices between the connected computers. Quick and easy installation - there\'s no need for any special software and all the required connection cables are included. The CPU Switch Pro USB 2.0 Audio VGA is the ideal choice for home or office use.