The interchangeable loop support and S/M/L sized earpieces provide an excellent fit for any user, also providing excellent sound quality and noise blocking from the surrounding environment. The miniaturized advance-technology 10.7mm drivers use high-power rare-earth magnets to deliver an immersive listening experience for any listening situation giving a frequency response of 15-28,000 Hz. These are ideal for exercise, office use or a relaxing listen at home. The ATH-CK6W are available in black and silver and come with a travel pouch and cord wrap to keep the 1.2m (4ft) cord tangle free and out of your way. These headphones are iPhone compatible.