1) Supported Features: Dynamic HDR; Enhanced Audio Return Channel (eARC); Auto Low Latency Mode (ALLM); Variable Refresh Rate (VRR); Quick Media Switching (QMS); Quick Frame Transport (QFT); HDR10, Dolby Vision; DTS-HD Master Audio, DTS:X, Dolby TrueHD, Dolby Atmos; HDCP 2.2 & 2.3; Ethernet; ARC; CEC; 2)Compatible with latest HDMI 2.1 devices (not full list): PS5; Xbox Series X; LG: CX, C9, B9, CineBeam HU810P; Sony: X900H, Z8H, Z9J/Z8J(8K ), A90J/A80J/X90J/X95J(4K120Hz); Samsung Q80T, Q90T, QN900A(8K) / QN90A(4K120Hz); Nvidia RTX 3080/3090; TCL C825(4K120Hz); Panasonic JZ2000 OLED;