3.5mm MALE TO 2.5mm FEMALE STEREO HEADPHONE ADAPTER FOR IPHONE / BLACK Adaptor converts the phone's own audio output into a universal 3.5 mm output 3.5 mm output means unlimited possibilities of device to broadcast the audio sound / music from your phone Adapter allows connection to any 3.5 mm stereo headset or portable speaker, including other iPod headsets Adapter also allows your phone / PDA to connect to any home stereo system Compatible with: Apple iPhone, iPhone 3GS 16GB / 32GB / apple iPad 16 / 32 / 64 GB