The closed, dynamic, Spectrum headphones immerse you in great sound. The speakers provide excellent isolation from outside noise, so you can enjoy a superb acoustic experience. Spectrum delivers powerful stereo quality sound, thanks to its built-in strong neodymium magnets thatensure low sound distortion and boost the quality of all your music. Spectrum's unique fold and flip design feature a unique mechanism that lets you easily fold it up and store it. Spectrum features a universal volume control and a multi-function button that allows you control your music. The custom built headband ensures lasting strength and durability.