The lightweight on-ear headphones feature an open-air design with smooth bass and clean treble. The 60-ohm elements are perfectly tuned for use on the go with most mobile hardware content players. The Koss KPH30i is a direct descendant of the Koss Pro35 and popular Koss KTXPro1. With all-new modern features like an in-line microphone and remote, the KPH30i keeps listeners connected all while enjoying their favorite tunes. With an all-new patent pending suspension, the KPH30i creates the absolute perfect fit for hours of comfortable listening enjoyment. Plug in the KPH30i using the all-new, rugged cable system with spring reinforced strain relief that is built to last.