I bought these headphones without understanding exactly what they are for, which is of course studio monitoring rather than for recreational listening. The material on the padded portion of the headband was deteriorating so I wrapped it in electrical tape. The headphones work great. The sound is as intended, with no crackling etc. They have been well cared for. I am offering free return shipping on this item, so that the buyer can have faith in their purchase. SATISFACTION GUARANTEED. Adaptor, original packaging, and manual are also included. I sell books and don't really know the electronics market, so I am glad to work with a prospective buyer on the price. Feel free to email with any questions. Original packaging will be shipped in a slightly larger, sturdy box for protection of all... Specs are available with a quick internet search....    (box 5)