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This 66ft fiber optic HDMI 2.1 cable provides 48Gbps ultra-high bandwidth, fully complying with HDMI 2.1 specifications. Adopting optical fiber transmission, it remains free from electromagnetic interference and long-distance signal loss, ensuring consistent ultra HD performance. It supports 8K@60Hz and 4K@120Hz resolution, alongside VRR and ALLM functions to eliminate screen tearing and input lag for competitive gaming. HDR optimizes brightness and color grading for vivid, lifelike cinematic image quality. Ultra-long length easily meets large home theater, projector and remote display layout needs. Plug and play, reliable for PS5, Xbox, projectors and professional home theater system connection.