This 4 Port USB Sharing Switch allows button swapping between 4 computers to share 2 USB 2.0 peripheral devices without constantly swapping cables or set up complicated network sharing software; | Ideal for sharing devices such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB deivce between 4 computers; | Great Compatibility, Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, and Chrome OS | Button and LED indicate lights, you can easily switch between 4 computers by a click on the button with LED indicating the active computer; | STABLE Connection: USB 2.0 sharing switch without a power adapter.