Koss Porta Pro On Ear Headphones with Case, Black / Silver Designed for deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting earplates Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear Collapsible for maximum portability, includes carrying case Connector Type: 1 x Headphones (mini-phone stereo 3.5 mm)