AOZISTech 4k HDMI 2.0b fiber optical cable uses the latest photoelectric technology to transmit HDMI signals, ensuring stable and non-flickering screen display, high-speed 18Gbps optical signal instant transmission, no signal loss and delay, no electromagnetic interference (EMI), low power consumption (? 250mW), ideal for wiring through walls in tight spaces. Plug and play, suitable for PC, laptop, Blu-ray player, HDTV, monitor, 4K Projector, Home Theatre, TV box, Gaming Box. Specification: Full Meet HDMI 2.0b Specification Support 4K 60FPS Support ARC, 32 audio channels Support YUV 4:4:4 8bit / YUV 4:4:4 10bit / YUV 4:4:4 16bit Support HDCP 2.2, CEC, EDID, Ethernet The cable can only work in one direction, and you must confirm the direction before installation: Plug with'Source' tag for HDMI source devices (Blu-ray, Apple TV 4K Box, etc.) Plug with'Display' tag for HDMI display devices (HDTV, Projectors, etc.) Some other HDMI devices such as HDMI switch, HDMI splitter which would not provide full 5V/50mA power supply internally may cause the cable non-working. Package list: 1 * AOZISTech HDMI Fiber Optic Cable AOZISTech HDMI optical cable provides a 5-year worry-free warranty. If you have any questions, please feel free to contact AOZISTech Customer Service Support