Portable active adapter connects a DisplayPort (DP, DP++, DisplayPort++) equipped laptop or desktop to an HDTV, monitor, or projector with HDMI input; An HDMI cable (sold separately) is required 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 Displays Supports video resolutions up to 3840x2160 (HD) and uncompressed digital 7.1, 5.1 or 2 audio channels; Supports AMD Eyefinity Multi-Display Technology connectors resist corrosion, provide durability and improve the signal transmission DisplayPort connector with latches provides a secure connection with a release button that must be depressed before unplugging