Enjoy your music as much as possible with the Sennheiser MOMENTUM Wireless Modern Headphones. Not only do these headphones deliver studio-quality audio, but they also offer handy features. One of these is that they automatically turn off and on when you fold them up. So you don’t have to worry about their battery life draining because they’ll recognize they’re not in use. Along with that, these over-ear headphones offer 17 hours of battery life. So you can be sure you’ll..