The Koss KPH7 On-Ear Headphone is a lightweight design that delivers the full power of the sound. Delivering incredible sound performance, it is ideal for listeners seeking ultra-light headphones. The KPH7 on-ear headphone is equipped with dynamic elements for an extended frequency response. It features an over-the-head design with contemporary style. Perfect for use with portable MP3 players or iPods, the KPH7 is the perfect headphone.