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This 3.3-foot AOC active fiber HDMI cable follows Ultra High Speed HDMI 2.1 specification with 48Gbps wide bandwidth to deliver ultra-smooth 8K@120Hz visuals. It supports Dynamic HDR to enhance light and shadow contrast and full YCbCr 4:4:4 color sampling, restoring accurate color details for games and movies. The eARC channel transmits uncompressed high-fidelity surround sound to soundbars without audio loss. Different from ordinary copper HDMI cables, the optical core avoids electromagnetic noise, screen flicker and color distortion. Its thin bendable jacket simplifies neat concealed installation for gaming rigs, home theater systems and professional monitoring workstations. Plug-and-play without extra power adapters or driver software for steady long-time audio-video transmission.