About this item USB 3.0 Switch Selector: TCNEWCL USB 3.0 Switch is used to 2 computer share 4 USB peripheral devices(keyboard, mouse, printer, scanner, U-disk, Hard Drives, etc). Fast Data Transfer: 4 x USB 3.0 peripheral ports supports ultra-fast data transfer rates of up to 5Gb/s. Button Swapping: Easily switch between 2 computers by panel button, without constantly swapping cables or set up complicated network sharing software, with LED indicating the active computer. Wide Compatibility, driver-free for Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, Chrome OS and backward compatibility USB 2.0 and 1.1 specifications. Separate Micro USB Powered: When using a high-power USB device, external 5V adapter is required. 【 Note】 Please use Standard 5V Adapter(Not Included) for powering.