3.5mm Audio Adapter with Microphone for Apple iPhone Adaptor converts the phone's own audio output into a universal 3.5 mm output Features Answer phones calls or pause your music Clip to your shirt or collar for easy access 3.5 mm output means unlimited possibilities of device to broadcast the audio sound / music from your Adapter allows connection to any 3.5 mm stereo headset or portable speaker Compatible with: Apple iPhone / iPhone 3G / Blackberry Curve 8300 / Curve 8310 / Curve 8320 / Curve