Experience a completely immersive and engrossing listening experience with the JBL – CS300SI Headphones. The headphones provide exquisite sound quality and deep bass for an immersive listening experience. The high power magnetic drivers offer clear, detailed sound reproduction. The headphones feature self-adjustable ear-cups made from premium quality materials. They offer a perfect fit and optimal comfort. They are lightweight making them apt for travel. High Power drivers deliver JBL Sound with bass you can feel.