4 Port USB Switch Box - The 4 in 4 out USB Switcher allows you to share 4 USB 2.0 peripheral devices (keyboard, mouse, scanner, printer, flash drive and USB stick) between 4 computers. Without constantly swapping cables or set up complicated network sharing software. Two Switching Methods - This USB Switcher Selector supports switching between computers using panel buttons or wired desktop controller. You can easily switch devices by a click on the button. And LED indicating the active computer. Wide Compatibility - Plug and play, driver-free for Windows 10/8/8.1/7/Vista/XP and Mac OS, Linux, Chrome OS. Supports data transfer up to 480Mbps, backwards compatible with USB 1.1. Suitable for office, home, meeting, school and other scenarios. Stable Signal Transmission - Made of sturdy material to ensure stable transmission signal. No need for an external 5V/1A power adapter (Not included) unless using high power USB devices such as hard drives. Package Contents - 4 Port USB 2.0 Switch *1, USB Cable *4, Desktop Controller *1, Power Cord *1, User Manual *1. If you have any questions about the product, please contact us, we will try our best to help you! 4 in 4 out USB Switch Selector is ideal for sharing 4 USB devices, such as printer, scanner, mouse, keyboard, and USB hard drive between 4 PCs. And you can use panel button or wired desktop controller to switch PCs.