A while back, Apple announced new earbuds with a mic (like the iPhone’s earbuds) for iPods. And while the earbuds haven’t shown up yet (being promised in October), Apple has dropped updated software for the new iPod Nano and Classic to turn on support for the in-line mic. Apple:
The control capsule located on the cable of the right earpiece includes a microphone and three buttons. With this convenient remote, you can adjust the volume, control music or video playback — including play/pause and next/previous — and record voice memos.