Turn your iPhone or iPod into a recording studio!
This version of the Mikey microphone is compatible with iPod touch 1G, 2G, 3G; iPod nano 2G, 3G, 4G, 5G; iPod classic; iPod 5G. It also can be used with iPhone versions 3GS and earlier.
Here are some more audio tests:
Of course check out the unboxing of the Mikey microphone here.