Koss KPH7 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. These green on-ear headphones are equipped with dynamic elements for an extended frequency response. They feature an over-the-head design with contemporary style. Ideal for use with portable MP3 players or iPods, the KPH7 is the ideal headphone.