The usb32hddvii usb 30 to hdmi and dvi i dual head adaptor turns an available usb 30 port into one dvi i or vga port dvi to vga adaptor included and one hdmi output with support for high definition 1080p and 1920x1200 video and 51 surround sound audio from hdmi port only the adaptor delivers a convenient external video solution that makes it easy to add multi monitor capability to a usb enabled desktop or laptop computer optimal performance from usb 30 backward compatible with usb 2