Printer sharer: notice: there is no shortcut key switching under win7 system, it can only be switched by installing software,automatic sharer.
Sharing: avoid frequent plug and pull, convenient to work and do not hurt the equipment,usb selector.
Computer switch: its for sharing a printer or scanner in a small office environment,computer sharing USB devices.
Automatic share: its also great for use at home if you have multiple pc,usb switch selector.
Computer sharer: USB 2.0 sharing is a great solution for sharing USB devices like USB printer, scanner, curve plotter, multifunction printer, equipment with computers.