Portable adapter connects a DisplayPort (DP DP++ DisplayPort++ Not regular USB) equipped laptop or desktop to an HDTV monitor or projector with HDMI input; An HDMI cable (sold separately) is required NOT Active DP to HDMI Adapter. Transmits high-definition audio and video from your computer to an HDTV for video streaming or gaming; Connect and configure your monitor for an Extended Desktop or Mirrored DisplaysSupports video resolutions up to 1920x1200 / 1080P (Full HD) 3D and uncompressed digital 7.1 5.1 or 2 audio channelsDisplayPort connector with latches provides a secure connection with a release button that must be depressed before unpluggingGold-plated connectors resist corrosion provide durability and improve the signal transmission