Usage Tips:Features: Control 2 computers through a set of keyboard, mouse and monitor, no software is required, just connect the KVM switch to your computer, and the operation is also very simple, just press the button above to switch the host. Support for DOS. for Win98 or for 98SE or or for NT or 2000 or for XP. for Netware. for Unix and for Linux, for win3.x or win95. Can be connected to VGA high-definition display, frequency division distribution rate up to 1920x1440 Bandwidth: 250MHz, does not support widescreen. The connected keyboard and mouse and the host must have a USB interface. 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 or 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 will make a phoenix sound. No boot sequence requirement, support hot-swap, in-line use. This product does not come with a link cable. Material: plastic colour: black Package Contents: 1 x USB 2.0 KVM Mouse Switcher Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.