HX40 are the next generation of seamless design headphones. The slick design will fit with any of the latest gadgets, from your MP3 player to PC. The flat housing allows for easy transport while the on-ear pads and adjustable headband offers great comfort for long term use. The newly developed hybrid diaphragm speaker of 30mm produces outstanding sound quality so you can really enjoy the listening experience. Overall, the HX40 will not only make you look professional and stylish but will give you the exceptional sound quality you're seeking.