Top-Longer USB 3.0 to DVI/HDMI Video Converter/Adapter Plug-and-play connectivity to HDMI, DVI Displays Utilizing 5Gbps Super Speed USB as a display interface Backward compatibility with USB 2.0 USB powered, no power supply needed Support up to 2K resolution displays 1920x1200 / 2048x1152 at 32bit color Quickly add up to six displays to as desktop or notebook with minimal configuration and without an additional graphics card