Koss on-ear headphones are a lightweight design that delivers the full power of the sound of Koss. Delivering incredible sound performance, it is ideal for listeners seeking ultra-light headphones. The on-ear headphone is equipped with dynamic elements for extended frequency response. It features an over-the-head design with a contemporary style and adjustable headband. Straight, dual entry 4 ft. cord and 3.5mm plug. Maximum portability.