The closed, dynamic, supraaural PX 200-II mini headphones immerses you in great Sennheiser sound. The speakers provide excellent isolation from outside noises, so you can enjoy a superb listening experience without being disturbed – or disturbing others. Strong neodymium magnets ensure low sound distortion to deliver powerful Sennheiser stereo & boost the quality of all your MP3s. The PX 200-II is very lightweight, & thanks to the soft leatherette earpads, comfortable to wear for hours on end. When it’s time to stow the headset, the PX 200-II’s award-winning fold & flip design features a unique mechanism that lets you easily fold it up & store it in the supplied pouch. The steel-reinforced headband ensures lasting strength & durability.