[One Button Switch,Multiport Connection]This 4 Port USB Switcher allows one button toggle between 4 computers to share 4 USB peripheral devices without constantly pull cables or set up complicated network sharing software. [USB KVM Perfect for Sharing Devices]perfect for sharing devices such as mouse, keyboard, printer, scanner,card reader, flash drive and other USB devices, sharing 4 USB devices for 4 computers at the same time. [Great Compatibility, Driver-free]for 10/8/8.1/7/Vista/XP and , Linux, and Chrome OS, simply plug and play. [LED Light Indicator]Easily switch between 4 computers by a single click on the button with LED indicating the active computer. [STABLE Connection]USB 2.0 sharing switch with a separate micro-USB female port for option power, which optimizing its compatibility with more devices, such as HDD, Digital Video Cameras, SSD etc. Colour: picture color Material: ABS Size: 14.1 x 9.1 x 5.5 cm Package Contents: 1 * USB Computer Switch Selector 4 * USB A to A data cable Only 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.