This is a 3.5mm bi-directional stereo audio switcher that shares active speakers and headphones. This audio switcher is a passive and unpowered device that allows you to easily listen to music without external power. 3.5mm audio switcher is ideal for customers with multiple sources and outputs.

How to use:

1. Connect the audio source to the input: computer, mobile phone, MP3, etc.

2. Connect the audio speakers to the output: stereo speakers, amplifier, etc.

3. Press the toggle button to select the input source between IN/OUT1 and IN/OUT2.

4. Turn the volume knob to adjust the appropriate volume level.