My take is that, other than trying to appeal to the bazillion Harry Potter readers out there, Apple is attempting to expose the iPod's audiobook functionality to an audience that might only think of it as a music player.
To MacGlee: it *does* have a lightning bolt - just plug it in and watch the charge icon. ;)
Fall in Love with Your iPod All Over Again: The 6i Isolator Earphones
The Harry Potter iPod