2 In / 1 Out 2.1 Audio Extractor Switch - 4K 120Hz HDMI 

【HDMI EXTRACTOR ARC CEC EDID Easy Usage】 -- Plug and play. Power on with adapter. Simply connect HDMI sources to Input ports and HDMI display device to Output port through HDMI 2.1 cable. Then connect audio device through Optical Toslink SPDIF 5.1Ch port or AUX L/R 3.5mm 2.1Ch port.

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