Protronix High Speed HDMI 1.4 Gold Cable w/ 3D, Ethernet, Audio Return Support, 3FT (1M) Supports 3D Technology, Ethernet Channel, Audio Return Channel, 1440p and 1080p FullHD Resolution Category 2 Certified - High-Speed 10.2 gbps / 340 MHz Delivers Ethernet data to compatible devices through the HDMI port so you don't need extra cables to get extended features Allows television and A/V receiver to transmit audio both upstream and downstream. This eliminates the need for a separate audio cable. Gold-plated connectors for optimal signal transfer