4 Way 3.5Mm Jack Audio Switcher Stereo Bi-Directional Audio Switch Splitter Box
1 4 Port3.5mm Audio Switch Switcher. High quality rotary switch.Hot-swappable (no need to reboot computer). ① connect 4 audio sources (like CD player / computer/Phone/MP3) to 1/4 ports and 1 audio output (like speakers) to IN/OUT port;.