1. The dynamic HDR and 3D effects of this 8K HDMI cable further optimize the visual effects of the picture . uses optical fiber to transmit TMDS signals without inteprfering with anything else 2.8K Resolution?Compatible with 8K@60HZ/4K@120HZ. The experience brought by 8K picture quality is more advanced than 4K(7,680 × 4,320). 3. Home entertainment: Fire TV, Apple TV, 8K TV, TV-Boxes, Computers, Laptops, Blu-ray Players, AV Receivers, DVRs, Media Streamers, HDMI Switcher, HDMI Splitter 4. Our High Speed HDMI cables : with Ethernet have been designed to meet the performance standards. They are backward compatible to all previous versions.5. 8K60HZ 4K 120HZ 48GPBS Resolution, Audio Return Channel 3D - 3D is the latest rage for both home theater and gaming.6. 48Gbps Speed Transmission Compared with the HDMI2.0 version, the bandwidth of the HDMI2.1 version has achieved a qualitative leap from 18Gbps to 48Gbps. This means that a 6GB movie can be transferred in just one second, without any need to consider the picture delay.You no longer get stuck or drop frames when watching videos. Support for eARC enables more advanced audio signal control. It is also backwards compatible with HDMI versions 2.0b/2.0a/1.4/1.3/1.2/1.17. The ultimate large screen ultra-clear experience From the moment the cable is plugged in, the visual feast opens. Be in the real world of 8K. Whether it is a high-definition TV, VR device or game screen, this 8K HDMI Cable will bring you an unprecedented experience. Combined with the latest technology, it is perfectly compatible with 8K@60HZ/4K@120HZ Dolby Vision & Dolby Sound, top configuration can be easily experienced. Dynamic HDR and 3D effects further optimize the visual effect of the picture 120HZ Refresh Rate?In 4K image quality, the refresh rate can reach 120HZ. It is twice as high as the ordinary 4K cable, which means you will see a smoother and smoother picture. Dynamic HDR?With the support of dynamic HDR and 12bit color depth processing, all images will become more vivid.