As many of U know mislabeling of HDMI cables is out of control...
"Today @ WCES 2020, the HDMI Forum/Licensing Administrator announced a mandatory certification program for Ultra High-Speed HDMI cables to ensure support for both 4K & 8K video, 4K 120Hz, HDR, VRR, eARC and other HDMI 2.1 features for consumer & commercial cables. All certified cables of any length must pass this new certification testing @ an HDMI Authorized Test Center. Also the testing includes meeting current EMI requirements as to minimize wireless interference. Once the cables are certified, the cable maker must affix an Ultra-High-Speed Certification label. Having this certification is the only way to ensure all features and capabilities for the HDMI 2.1 specification are delivered from a source device to a display..."
Just my $0.02...