[Ultra High Performance] - The upgraded HDMI 2.1 HD cable supports 18Gbps, supports frequency 8K/60HZ 4K/120HZ,3D video,7.1 surround sound, HDR, ARC and even Ethernet data to provide you with ultra high definition movie experience and 3D visual effects [Quality Experience] - No ghosting, no flash screen, TMDS transmission differential signal, stable transmission without loss. Large screen projection, office/speech more clear and efficient, audio and video automatic synchronization, enjoy sound vision [Strong and durable] Using 24K gold-plated material, the interface is firm and not easy to fall off, corrosion and oxidation resistance, stable signal transmission. Each of our cables has undergone a rigorous performance test [8k HDMI Cable 2.1] - Supports for an HDMI ARC, HDMI Ethernet Channel (HEC), 48-bit color depth, 32 channel audio, Dolby True HD 7.1 audio, and 3D video, giving you an immersive, multi-dimensional experience [Wide Compatibility] - Suitable for any device with HDMI port, including PS5 / PS4 , X-box series One , DVD / Blu-ray players, Roku TV, HDTV, laptops, projectors and other devices jojobnj 8K HDMI Cable 3 FT 3-Pack, 48Gbps 8K@60Hz 4K@120Hz, HDCP 2.2 & 2.3, DTS:X, HDR 10 Compatible with Roku TV/eARC/3D/PS5/HDTV/Laptop/Blu-ray High Speed HDMI Cable