1.High quality USB Auto sharing switch 2.USB 2.0 sharing switch 3.4 port USB sharing 4.No external power needed 4 Port USB2.0 Auto Sharing Switch Hub for Printer Scanner KeyboardDescription:This item allows 4 PC to share one USB device, such as printer, scanner, camera, keyboard, Hubs etc. It is ideal item for you to share your USB device. Just plug your USB device into the USB port on the ...