two batteries, one on each side, good for about 12 hours each, and then there's a cord that runs inside my chest to the bump on the inside. and that's what powers it and keeps it functioning. initially, obviously, it's awkward to walk around with all this gear on. you quickly get to the point where you've adapted. where it's second nature to you. >> that is something else. he says it is a miracle of modern technology. and the reason he's here today. it was quite the welcome home for the new york yjets. the empire state building was lit up in the green and white colors. as the charter flight approached, they cleared a path for a flyby so players could see the tribute. it's lit up right now. i've had an unusual request.