Key Features:?  Newest Multi-Fiber-Optic Technology? HDMI 2.1 4K@120Hz 8K@60 4:4:4 eARC CEC Premium Fiber Optic Cable? Connects 4K 8K Smart-TVs and Projectors at Full Distance with Perfect Original Uncompressed Sound & Video Quality? Snap-In Plugs to pass in DryWalls & Electrical Conduints, In-Wall rated? eARC special link returns audio from TV or Projector to AV Receiver Speakers at full distance with no loss on ATMOS? Includes Ethernet CAT7 Gold Shielded to bring internet to Smart-TV Projector or Gaming at full speed from the router? Includes bonus 3.5mm Gold mini jack link for any auxiliary connection such as projector screen control, IR, Speakers, etc? Pre-Installed Braided Sleeve on both sides to attach old cable or fish tape and pull it through in minutes