8K HDMI to HDMI Gold-Plated Interfaces use 24K gold-plated interfaces. The interface does not distinguish between input and output, plug and play, the signal will start to be transmitted immediately without the need to drive the plug. Dynamic HDR and 3D effects further optimize the visual effect of the picture. A 6GB movie can be transferred in just one second, without any need for consideration of picture delay. This is the pinnacle of Highwings technology, and many of our latest technologies are combined on this version n grade 4K image quality can reach 120HZ, which means you will see a smoother picture. 3D, eARC, Ethernet, HDCP2.2/2.3, VRR, and other functions are available. 4K high-speed HDMI cable 6.6FT/2M 2-Pack Connectors HDMI Male to Male HDMI Female to Female HDMI male to female.