HDMI Extension Cable Supports 4K*2K@30HZ, 1080p, HDMI Ethernet Channel and Audio Return Channel (ARC) with highspeed transfer rates for excellent picture quality. Full 3D Support without any lag, providing clear and smooth video, Backward compatible with all previous HDMI version. Convenient and flexible connection at any angle. Port saver/space saver. Don't need to turn or tuck away like some HDMI dongle to save space. 19 pin HDMI connector is copper wire, anti corrosion and strong durability, promotion of transmission of video signal. HDMI extension cable is suitable for narrow spaces and can solve the problem of inconvenient interface connection. For example, the distance between the TV interface and the wall is too close to use the TV stick. Avoid the abrasion of the original equipment interface and will not cause the external connected equipment to overheat during high-quality transmission.