These are for the listeners. The fanatics. Put them on and rediscover your music. Don't just love your playlist, live it. Let the world know how much your music matters with unique and powerful headphones designed by Sony and Simon Cowell. Stylish design meets solid construction and performance. Sony MDRX10 X headphones are the ultimate fashion accessory for true music lovers. 50mm driver units and high-energy neodymium magnets provide a wide dynamic frequency response (3Hz - 29kHz) that perfectly complements today's popular music genres. A tightly sealed acoustic design allows for a high level of sound isolation which aides in the powerful reproduction of extended bass sound. Made for iPod, iPhone and iPad the in-line remote gives you volume and track controls (Play, Stop, Next/Prior) for Apple products, while the built-in microphone makes it easy to take calls through it all.