The 4-Port USB KVM Switch with Audio lets you manage 4 computers with just one set of keyboard, monitor, mouse, and a set of speakers/Microphone. This saves not only equipment like monitor, keyboard and mouse, but also precious space. It is convenient for master control; reduce monitors and radiation, good for health. Therefore, KVM switch plays more and more important role in the age ofmodernized information management. It is widely used in bank, telecom, securities, and industrial control for multiple server and user operation; also itis applicable in final testing for computer manufacturers. Original kit: ● The VGA KVM Switch comes with 4 sets of KVM cables that makes you save money and time, also you can easy to install. Plug and Play: ● 4-port USB VGA KVM switch does not require a power supply as it is powered through the USB bus connection. It is entirely plug-n-play solutions with no software to run. Also supports the Wireless mouse and keyboard(except the multimedia mouse and keyboard) Integrated USB 2.0 hub: ● The USB KVM switch features an integrated USB hub, allowing you to share connected USB peripherals between the two controlled PC/Mac computers as though the devices were connected directly. Operating systems: ● 4 Port VGA Switch supports multiple operating systems including Dos, Linux, Windows and Mac. More Features: ● Includes audio and microphone switch. ● Maximum resolution 2048 x1536, 250 MHz bandwidth ● Support Hot-Plug Box Contents: ● 1 x 4 Port KVM switch ● 4 x VGA Cable ● 1 x User manual in English ● 1 x Mouse ● 1 x Service Card