2 Port USB Sharing Switch 1) hot key and puch button 2) Prevent network sharing caused by spread of the virus 2 Port USB Sharing SwitchUSB2.0 automatic printing sharing device,USB2.0 peripheral sharing device,two oe four hosts share a usb equipment,such as printer,scaner,moblie HDD,card reader,camera and so on,each host be contected with the usb equipment directly,not be limited by network,no ...