This headphone adapter is ideal tool when you need to adapt 6.5mm headphones mono plug to 3.5mm stereo jack from sound cards， MP3 players， portable CD players， etc.                                    Features            Converting any 6.5mm stereo plug into a 3.5mm stereo plug<br>Connector(s): A 6.5mm stereo female jack and A 3.5mm stereo <br>Gold-plated stereo headphone adapter makes it easy and quick to convert<br>                                                                                                Package Includes            1 x 6.5mm Famale to 3.5mm Male Headphone Adapter<br>