Customer Service: Regarding 4K fiber optic hdmi cable issues and other issues, we will assist you in resolving them within 24 hours. High Speed 18Gbps: ATZEBE 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. Durability & Flexible:24K Gold-plated plug is strong conductivity,prevent oxidation and stable signal. Zinc alloy shell is wear-resistant and anti-corrosion, can effectively protect the internal chip. Slim and flexible cable with bending radius more than 20mm for easy installation in tight areas. The 24k gold-plated connector can prevent oxidation. Compatible Devices: ATZEBE Fiber Optic HDMI Cable with Dual Micro HDMI and Standard HDMI Connectors can connects Camera, Tablet, MP4, 4K BLU-RAY PLAYERS, Apple TV, PS4, XBox One S, Ro