Sadly, details are somewhat hard to find on this slick looking helmet by BMW. What I have comes from the Gizmag article where I found this.
So what I'm getting is that, on top of looking like it comes from the year 2040, it might also include some very useful technology: noise cancellation and bluetooth. The combination, in a helmet, is ideal. It would allow you to communicate with fellow Bluetooth enabled riders with ease, while enjoying crystal clear sound due to the noise cancellation. You could also, of course, broadcast MP3s from a Bluetooth enabled media player and presumably even answer your cellphone, while doing 70 on the highway, on a bike.
It's great stuff people. I'd like it even more if Gizmag wasn't so cryptic about its sources, but hey, what are ya gonna do? For what it's worth, the article is here.