4-PC USB KVM Switch Box Sharing 3 USB Devices

4 in 3 Out Switch Box [KVM]: 4 PCs share 3 USB Peripheral devices such as mouse, keyboard, flash drive, scanner, USB switch selectors. One-Botton Switch: No plug-in and pug-out, just press one button to switch between 4 PCs to share 3 USB 2.0 devices. Best solution for people who need to work with 4 computers.  One-Botton Switch: No plug-in and pug-out, just press one button to switch between 4 PCs to share 3 USB 2.0 devices. Best solution for people who need to work with 4 computers.  Great Compatibility: Compatible for most of the systems such as Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, and Chrome OS.  LED Light Indicator: Easily switch between 4 computers by a single click on the button with LED indicating the active computer.