The horror, oh the horror.
Umm, they still do, and it's more like a phone battery -- charge it up with a USB cable.
And also, they did come up with a no batteries thing -- that is, for everything except the Studios.
i first wore dt770s soph year then junior i had some akg 701s i wore around and then some dt 990s, then some hd 580s i wore. Also picked up the xb700. i saved a few kids from buying beats. ahahah the akgs 701s got the most attention. hahah was quite interesting.
then senior year i got a car :( so i dont use headphones to much at school any more
Then again, don't be rude about it. No one wants to hear someone blasting Grados on the bus because they're trying to drown out the bus sounds.