HDMI Ethernet Channel - Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate ethernet cableAudio Return Channel - Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable3D - Defines input/output protocols for major 3D video formats4k support - Enables video resolutions up to 2160p60 far beyond 1080p, supporting next-generation displaysCable with HDMI male connector on both sidesHigh quality cable with golden metal connector housing and shell for better shieldingGold plated contacts for higher durability.