Product information "HDMI cable, A/M to A/M, 4K/60 Hz, AOC, black, 20 m" from LogiLink The HDMI-AOC cable gives you a 4K Ultra HD resolution viewing experience and is ideal for connecting your computer or laptop to an HDTV, monitor or projector over long distances. The active optical solution ensures that the audio/video signal is transmitted lossless even over long distances and no external power is required.