3.5mm Stereo Audio Switcher: Bidirectional switching Splitter Audio Sharing active speakers and headphones.<br> Method 1: Connect 2 audios to (IN/OUT)1 and (IN/OUT)2, use the 1/2 switch to get an output.<br> Method 2: Connect an audio to IN/OUT, select an audio output between (IN/OUT)1 and (IN/OUT)2; (The output can be switched between speakers and headphones).<br> One-key mute, convenient and fast, very practical in special situations.<br> Plug and play; No External Power Required; Won't affect the sound quality at all.<br> Colour: black<br> Material: plastic<br> Package Contents:<br> 1 * 3.5mm Audio Switch Switcher<br> 1 * 3.5mm Audio Cable<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.