Transmits high-definition audio and video from your computer to an HDTV for video streaming or gaming; Supports video resolutions up to 4K x 2K and uncompressed digital 7.1, 5.1 or 2 audio channels Gold-plated 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 Suitable for Extended Desktop or Mirrored Displays. customer service from Ranki