New generic for Stereo Headset + Speaker Adaptor + Microphone, Adapter converts the phone's own audio output into universal 3.5mm output, 3.5mm output means unlimited possibilities of device to broadcast the audio sound/music from your phone, Adapter allows connection to any 3.5mm stereo headset and portable speaker, Adapter also allows your phone/PDA to connect to any home stereo system [Note: May require additional RCA Y-Cable] Heavy duty spring loaded clip. Suggestion: Audio adapter without microphone,