8K HDMI 2.1 Cable 48Gbps: Ultra-high-speed cable supports 8K@60Hz, 4K@120Hz/144Hz, and 1080P@240Hz. Backward compatible with HDMI 2.0/1.4 Advanced Features: Enjoy Dynamic HDR, eARC, VRR, QMS, QFT, Dolby Atmos, and DTS:X for stunning visuals and immersive audio Premium Build: Aluminum alloy shell + 100% pure copper core ensures durability, flexibility, and crystal-clear 8K/4K transmission Universal Compatibility: Works seamlessly with PS5, HDTV, monitors, projectors, Blu-Ray players, and high-performance GPUs Reliable Support: Includes 48-month warranty and 24/7 customer service for peace of mind