Features: Support HDMI2.0x2+ARC+Coaxial+ Optical+PC-USB+AUX+USB 2.0+Bluetooth-compatibleV5.0 input-. Support HDMI2.0+Coxial+Optical+5.1ch output；Support HDMI-compatible- resolution up to 4Kx2K@60hz,support 3D All signal source(HDMI2.0/ARC-/COXIAL/OPTICAL/PC-USB/AUX/USB) can decode- to 5.1ch output Support Button switch- input source,U-disk play up and down,play / Pause，turn on corresponding LED or display on LCD.Support IR-remote control operation, suitable for multiple standard HDMI-compatible- interface devices such as network- boxes or set-top boxes, and U-disk, game machine， projector, home theater etc TWith power-off memory function, automatically switch- to the last used signal channel, USB broadcast memory before the power-off. Specifications: Item: HDMI2.0 5.1ch Audio Decoder Model:HD920BPRO Support HDMI2.0x2 +ARC+Coaxial+ Optical+PC-USB+AUX+USB 2.0+Bluetooth-compatibleV5.0 input- Support HDMI2.0+Coxial+Optical+5.1ch output All signal source：(HDMI2.0/ARC-/COXIAL/OPTICAL/PC-USB/AUX/USB) can decode- to 5.1ch output Supported audio Farmat :FLAC/APE-/DTS-/DTS-ES/DTS--HD/AC3-/WAV/HDCD-/AAC-/WMV/MP3/M4A etc. Support 5.1/5.0/4.1/4.0/2.1/2.0ch output mode-,FL-/FR- active when 2.0ch Product Size：As Pictures Power Supply:UK/US/EU/AU Package Includes: 1Set x HDMI2.0 5.1CH Audio Decoder note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!