ANNJUC There are three USB ports on the switch, which can be connected to keyboard, mouse, and other 2.0 USB devices.No software control is required, the computer host to be operated can be by buttons or hot keys.2-port KVM switch in a mini pocket design, and easy to use.There is an automatic detection function for monitoring the operation of the host.PS/2 port, no power supply required.Support for Smart Mouse, for Network Mouse, etc.LED indicators showing monitoring status.When the port is switched, it make a phoenix sound.No boot sequence requirement, support hot-swap, in-line use.This product does not come with a link cable.Material: plasticcolour: blackPackage Contents:1 x USB 2.0 KVM Mouse SwitcherOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.