USB AUDIO/VIDEO CONVERTER USES AN AVAILABLE USB PORT ON YOUR COMPUTER TO CONNECT AN HDTV, MONITOR OR PROJECTOR WITH HDMI; ADDS AN ADDITONAL DISPLAY WHEN THE OTHER VIDEO PORTS ON YOUR COMPUTER ARE OCCUPIED; AN HDMI CABLE (SOLD SEPARATELY) IS REQUIRED. - USB 3.0 TO HDMI ADAPTER LEVERAGES SUPERSPEED USB 3.0 BANDWIDTH UP TO 5 GBPS FOR THE BEST PERFORMANCE; FUNCTIONS LIKE AN EXTERNAL GRAPHICS CARD TO DELIVER SMOOTH HIGH DEFINITION VIDEO TO YOUR HDTV OR MONITOR; SUPPORTS VIDEO RESOLUTIONS UP TO 2560x1440 WITH HDMI AND UP TO 1920x1200 WITH DVI; SUPPORTS FLAWLESS AUDIO PASS- THRU FOR DOLBY TRUEHD, DTS MASTER AUDIO AND MORE; BACKWARDS COMPATIBLE WITH USB 2.0. - PORTABLE USB TO HDMI ADAPTER WITH A BONUS TRAVELS EASILY IN A LAPTOP BAG