Maximum functionality: The HDMI standard 2.1 enables 48 Gbit/s UHD-II resolutions such as 7680 x 4320 (8K) or 10240 x 4320 (10K), 3D video, 48-bit colours and functions such as Dynamic HDR / HDR10 +, VRR, ALLM, HFR and eARC (Dolby Atmos/DTS: X). Officially licensed: The HDMI certified Ultra High Speed HDMI cable meets the quality specifications of the 2.1 standard. Only certified cables (verified by app for authenticity) guarantee the support of all ultra-high-speed functions