Black - The Koss Recovery is the newest addition to the portable lineup. It is a portable stereophone that delivers the full Sound of Koss. With great sound performance, the Recovery is ideal for listeners seeking ultra-light headphones that doesn"t interfere with their fashion sense and is equipped with dynamic elements for an extended frequency response. It features an over-the-head design with contemporary styling, and folds flat for easy storage. Perfect for use with portable mp3 players or ipods,it includes a straight single-entry four-foot cord. A 3.5mm (1/8") plug, L-shaped to minimize cord stress, is included. Endurance Line: Recoveryk Portable StereophoneLightweight portable stereophone recommended for active lifestylesFrequency Response: 80-20,000 HzVolume control on the cord for easy level adjustmentDynamic element for extended frequency responseFoam ear cushions for open, hear-through soundDurable plastic headband adjusts for best fitStraight, single entry 4 ft. cord3.5 mm plug