High Speed 18Gbps: Microware HDMI Fiber Optic Cable is made of high quality glass fiber for pure signal transmission. Can ensure the full 18Gbps signal transmission without signal loss. * Noted: Do not add any switch or other extender device to work with the cable at the same time. Multi-transfer will result in HDMI signal loss Features: Fully supports 18Gbps bandwidth and 4K 60P 4:4:4 with HDR10 and Dolby Vision. * Noted: Your SOURCE devices and DISPLAY devices both are must be support these feature, If you want this fiber hdmi cable to work with these feature.