HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with DVD players, digital television (DTV) players, set-top boxes, and other audio visual devices. HDMI supports standard, enhanced, or high-definition video plus standard to multi-channel surround-sound audio. Our cables are HDMI male to male that connect a HD device such as a Blu-Ray player to a HD display screen. ÿ HDMI Ethernet Channel ? Connects devices through display to internet.Audio Return Channel ? Connects your home theatre system to display via one cable3D Support ? Enhance your visual experience with 3D enabled media4K Support ? Supports resolutions up to 4k x 2k for crisp and clear imagesStylish gold effect metal connectors with nylon outer cable braid.