The Skylarx 4K Ultra Thin HDMI Cable allows simultaneous transfer of dual video streams, allowing different users to watch different videos on the same screen. As well as simultaneously transfer multiple audio streams to multiple users (up to 4 users). Featuring dynamic automatic sound and picture synchronisation, up to 32 audio channels for an immersive multidimensional audio experience and wide-angle cinema 21:9 aspect ratio. CEC extension provides more extended control for a single remote control to control multiple consumer electronics products.