8K HDTV 2.1 cable support 8K@120Hz/60Hz, 4K@144Hz/120Hz/60Hz, a range of resolutions are supported including 5K and 10K, backwards compatible with HD 2.0, 1.4 & 1.3. NOTICE: please make sure your devices support 8K. HDR 10 & eARC: Supports HDR10, VESA DSC 1.2a, BT.2020 and Dolby Vision, enhances every moment values for depth, detail, brightness, Variable Refresh Rate (VRR) and Quick Frame Transport, Enhanced Audio Return Channel (EARC). 48Gbps & Triple Shielding: Enables up to 48Gbps bandwidth,ultra-high speed. Tested plug and unplug for 6,000+ times, triple shielding can withstand more than 3,000+ 90 degree bends lifespan. Durable and Flexible. Application & 7.1: Compatible with Apple TV, Nintendo Switch, Fire TV, Roku, Xbox, Playstation, PS4 Pro, Blu-ray player, Projector,etc. Truely support HD Dolby 7.1 and DTS-HD Master Audio and Dolby Atmos. 24K Gold Plated Connectors, 99.996% and high purityoxygen-free copper.