1. Transmission speed: 18Gbps. Support VRR, HDR, eARC, DOLBY; 4K@60Hz. 2. This high-speed HDMI cable protects against corrosion and the shielding completely omits electromagnetic interference 3. Fiber optic cable is higher than common HDMI copper cable, traditional HDMI copper cable can not transfer 4K@60Hz for long distance 4. Durability & Flexible: 24K Gold-plated plug is strong conductivity and stable signal.Slim and flexible cable with bending radius more than 20mm for easy installation in tight areas. 5. Note: It must be installed in the correct direction: cables with SOURCE plugs for connecting HDMI source devices (laptops, Blu-ray players, set-top boxes, etc.); for connecting HDMI display devices (HDTV) Note:This optic fiber HDMI cable is only one way transmission, not bidirectional. Please notice the "Source" and "Display". Color:As Shown Material:Gold-Plated + Zinc Alloy Size:15m/5m/10m/20m Package Contents: 1 * 4K Fiber Optic Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.