This 8K HDMI Cable meets the standard HDMI 2.1 Version and is also backward compatible with HDMI 2.0b/2.0a/1.4/1.3/1.2/1.1 versions. Compared with HDMI 2.0 and 1.4, its transmission speed is three times more content than Ultra HD 4K, and there will no longer be stuck or dropped frames when watching video from now on. Support eARC can achieve more advanced audio signal control capabilities. With Dolby Atmos and Dolby Vision