Nedis 20m 8K HDMI AOC Fiber Optic Cable, 2.1 Cable 48Gbps Ultra High Speed, In Wall, Support 8K@60Hz,4K@120Hz/144Hz Dynamic HDR eARC HDCP CEC Dolby HDCP2.2

LONG DISTANCE DATA TRANSMISSION - This active optical cable (AOC) is the perfect solution to transfer large and high quality data over long lengths without nearly any loss maintaining consistent performance OPTICAL SIGNAL TECHNOLOGY - Because the connectors are converting the electrical signals into optical signals the cable supports longer transmission than copper while staying slim and flexible DURABLE METAL CONNECTOR HOUSING - Thanks to the full metal connector housing the cable is highly resistant to electro magnetic interference (EMI) and radio frequency interference (RFI) ULTRA HD VIDEO AND AUDIO SUPPORT - Provides maximum resolution of 8K at 60Hz with 48Gbps bandwidth dynamic HDR game mode variable refresh rate (VRR) and enhanced audio return channel (eARC) NO EXTERNAL POWER REQUIRED - Optical data transfer ensures no need for an additional power supply while gold plated contacts guarantee reliable and accurate signal transmission