4K60Hz HDMI Loop out+Audio Mixing+USB3.0 capture card is a new device that 

captures video with external USB3.0 interface and outputs mixing audio. Its main 

function is to transmit HDMI input signals to PC, smartphone, Tablet PC for preview 

or record,in the meantime it outputs HDMI signals to TV or monitor with the same 

quality. It has Line in, MIC in, and HDMI in 3 kinds of input audio,them can be freely 

mixed before output to the speaker. You can use it in livestream broadcasts, 

video conferences, and other activities.

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