Features: HD375PRO is an 8KHDMI2.0b audio separation extractor with a 2-in 1-out function. It has two HDMI2.0b inputs and one HDMI2.0b output, with audio extraction function. Support panel buttons, infraredremote control function, and automatic switching of plug and unplug. Supportsultraclear 8K30HZ, 4kx2k60Hz, HDCP2.3 (HDCP removal and cracking function), CEC Supports eARC andARC functions. Supports audio separation of PCM, 7.1lpcm, DTSAC-3, and otheraudio in the input HDMIcompatibleHD signal, and outputs from fiber optic3.5mm, and HDMIcompatible audio only output ports. HDMIcompatible high-definition output terminals that can connect various entertainment devices such asDVD players, Bluray players, networkplayers, set-top boxes, , PCs, etc. Specifications: Model：HD375PRO Item ：2 In 1 Out Audio Extractor Material：Aluminum Alloy Audio mode selection: when the TV does not support 7.1, HDandDTS, it is forcibly supported through the switch; Supports ultra clear 8K30HZ,4Kx2K60Hz not just 4Kx2k24 /25/30Hz； Supports HDMIcompatible version: support HDMI2 0b, downward compatible with HDMI1. 0，HDMI1. 3，HDMI1. 4； HDCP: supports hdcp2 version,downward compatible with hdcp1. 4； Supports HDCP removal and cracking: effectively solve the HDCP compatibility problem of some HDMIcompatible devices; Supports audio: support PCM, 7.1lpcm, DTS AC-3, for Dolbypanorama (only supported by HDMIcompatible port) and HDAudio; Supports audio return: eARC / ARC dual mode Supports HDR10/HDR10+,CEC; Support 8K30HZ,4k60hz Dolbyhorizon; Package Includes: 1PC Power Adapter 1PC Power Cable 1PC Optical Cable 1PC 3.5MM to L/R LotusAudio 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 measurment.