1.2 port 4 port usb auto share switch 2.usb 2.0 sharing switch 3. be used at printer, scanner, camera, keyboard, Hubs etc 2 port 4 port usb auto share switch This item allows 2/4 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.Specificaton: PC Port2/4USB Device Port1PC Port ConnectorUSB Type B ReceptacleUSB Device ...