this 8k hdmi cable uses the most cutting edge technology, is compatible with 8kat60hz and 4kat120hz, clearly displays every particle, and accurately processes every signal source. with 8k hdmi's unique dynamic hdr and 12 bit color processing technology, each scene of the video is every frame, with more ideal depth, brightness, detail, contrast and wider color gamut highwings 8k hdmi cable conforms to the standard hdmi 2.1 version. compared with hdmi 2.0, its transmission speed has a qualitative leap, from 18gbps to 48gbps (6gb/s) directly, and there will no longer be stuck or dropped frames when watching video from now on. this hdmi cable is not limited to 4kat60hz, it can break through 4k and achieve 8k ultra high image quality. it can also achieve a super smooth picture of 4kat120hz. its latest game mode supports variable refresh rate, maximizes the value of the graphics card and cpu, and is more accurate in the processing of rendered images. when the scene is switched, the refresh rate will change accordingly to obtain a smoother and more detailed picture.