Designed to enable high-quality audio and video connectivity, the Startech Mini DisplayPort to HDMI Adapter with USB Audio a good choice for use with high-resolution TVs and displays. This DisplayPort HDMI adapter offers an effective HDMI with audio to Mini DisplayPort link. This adapter will let you connect an HDMI-capable HDTV to a device that has a Mini DisplayPort output. Simply plug in the USB and Mini DisplayPort to HDMI Cable connectors to a PC or Mac and the HDMI connector to an HDMI television or monitor. The two-channel analog audio will pass through the HDMI connection, delivering crystal clear sound to the HDTV or display side with the convenience of using only one cable. This Mini DisplayPort HDMI Adapter is a passive adapter that requires a DP++ port (DisplayPort++), meaning that DVI and HDMI signals can also be passed through the port. You can use this cable to support up to 1080p resolution on HDTVs and displays.