Mesinton 4K 1080P HDMI Switch ARC EDID 5.1CH/PASS/2CH + Audio Extractor Splitter 3 In 1 Out 3 Port Auto Switcher Box with IR Remote, Optical Toslink / RCA Audio Out and ARC One MHL/HDMI double input and two HDMI input switch freely to one HDMI output. Any input HD Source can do audio extract by the SPDIF ort LR audio output port. Support Full HD 1080P, Full 3D,4K*2K Support input up to 10metres using AWG26 HDMI standard cable length, output up to 15metres using AWG26 cable length IR Remote can do switch to the Input sources, and also you can press the switch button at device to do switch of the Input Sources.