This KVM switch allows one button swapping between 2 computers to share 4 USB 2.0 peripheral devices without constantly swapping cables or set up complicated network sharing software.perfect for sharing devices such as mouse, keyboard, printer, scanner, card reader, flash drive and other USB device between 2 computers, great for use at home or office if you have multiple PCs or .Compatible with Windows 10 / 8 / 8.1 / 7 / Vista / XP and , Linux and Chrome OS; No driver installation required for compatible systems.You can easily switch between 2 computers by a single click on the button with LED indicating the computer, allow you to know which computer is in control now.A separate Mini USB charging port for extra supply, which optimizing compatibility with more devices, such as HDD, Cameras, SSD etc. Important Note: Please use Standard 5V Adapter(Not Included) for powering. Any charger with higher voltage output is NOT allowed and may affect the product performance.Colour:BlackMaterial:plasticSize:118 x 56 x 16mmPackage Contents:1 x switch2 x USB cableOnly the above package content, other products are not included.Note: Light 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.