Features: 1.Can realize synchronous separation of audio signals. PASS/2.0CH/5.1CH three audio modes are available. 2.High?definition multimedia interface audio and video loop out, output to your display device projector, TV, etc. 3.Supports 4K30HZ ultra clear picture quality, video effect picture quality is smoothly and exquisite. 4.Built?in signal amplification module, the signal amplification processing dose not affect the smoothly and compatibility. 5.Simple and easy to use, plug and play, made of high quality aluminum alloy material, exquisite workmanship. specification:Item Type: Audio Extractor Material: Aluminum Alloy Color: Black Input Interface: High?Definition Multimedia Interface USB Power Output Interface: High?Definition Multimedia Interface SPDIF R/L audio interface High?Definition Multimedia Interface Supports Video Color Format: 24 bit/dark 30 bit /36 bit High?Definition Multimedia Interface Maximum Transmission Bandwidth: 225MHz High?Definition Multimedia Interface Maximum Transmission Speed: 6.75Gbps Maximum Working Current: 500mA Input Voltage: DC 5V 1A Operating Temperature: -15~+55C Working Humidity: 5~90%RH (no condensation) Instructions: The High?Definition Multimedia Interface input into an High?Definition Multimedia Interface output, a fiber audio output and an R/L analog audio output, this product is very simple to use, plug and play: when the converter power is connected, the red LED will light up; When successfully connected to the high definition TV, the green LED will light up and you can use it normally PackageList: 1 x Audio Extractor 1 x USB Charging Cable 1 x Manual