<br>Features:<br> <br>1.Connector A：3.5mm Female <br>2.Connector B : 3 x Screw Terminal Female <br>3. 3.5mm 1/8 Inch Stereo Balanced Female Jack to AV Screw Video Balun Terminal <br>4.This connector is most often used in smartphones ， cellphones to provide stereo audio and one mic channel. <br>5.It converts 3.5mm audio interface audio signal to two-way voice in your headset connector.