Apple Headphones Handsfree Headset with Jack Mic for Apple iPod Touch (iTouch) (2nd generation) for $3.87

Modeled after the acclaimed new Apple iPod Earphones, the iPhone Stereo Headset provide superior comfort, fit, and sound quality. The Stereo Headset also features a high performance microphone fitted with a windscreen for added clarity that is positioned inline on the cabling for the right earphone. The microphone capsule also serves as a Send/End button, for answering and ending of iPhone calls, and it even controls basic music playback.