Features: Audio separation function: Separate the input HDMI-compatible audio and output from optical fiber, headphones, HDMI-Compatible AUDIO Only; Free switching of 2-way HDMI-compatible input, panel keys, infrared remote control function and automatic switching of plugging; Supports ultra clear 4Kx2K@60Hz (yuv444 / rgb888), not just 4Kx2k@24 /25/30Hz； Supports HDMI-compatibleversion: support HDMI2.0b, downward compatible with HDMI1.0，HDMI1. 3，HDMI1. 4； Support eARC and ARC functions ；supports hdcp2 version,downward compatible with hdcp1.4； Supporting ARC mode, HDMI-compatible Audio Only can also output synchronously; Specifications: Device Type: HDMI-compatible Audio Extractor Splitter HDMI-compatible resolution: 1080P 60hz Input: Two HDMI2.0b inputs and one HDMI-compatible output Size:approx 11.1x5.3x2.5cm/4.37x2.09x0.98in Material: Plastic Plug: UK/ EU/ AU/ US Package Includes: 1PC Powder Adapter 1PC Power Cable 1PC Optical Cable 1PC 3.5mm to L/R Lotus Audio Cable 1PC Remote Control note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measur