eForCity&reg; 3.5 MM HEADSET ADAPTER Compatible with AT&T Samsung&copy; IMPRESSION A877 For audio output ONLY: Mic on the cell phone headset will not work with this adapter. 3.5 mm output means unlimited possibilities of device to broadcast the audio sound / music from your phone. Adapter connects to any 3.5 mm stereo headset or portable speaker, allows your phone/PDA to connect to any home stereo system Output: 3.5 mm Stereo Socket.Color: Black. Accessory ONLY. Cell phone not included. Adaptor converts the phone's own audio output into a universal 3.5 mm output.