This transformer allows you to connect any earphone and microphone to your controller.The product is designed to better utilize the earphone function of XBOX360 controller.It can help to actualize online conversation function. You can talk to your online opponents in the other room or on the other side of the world.Just insert the converter in the controller，insert the earphone in the converter， then you can have conversation with multi-player，when the XBOX360 console is entering to online play<img src="http://112.74.112.28/down/products/427636/427636_000.jpg">