With two detachable cable options, comfortable velour ear pads, and a closed back design, the Ultrasone Pro 900 brings you great noise isolation with minimal leakage, as well as some killer comfort. For durability and style, the headphones are made with tank-like plastics and aluminum details for a sleek and unique look, all in a foldable design. And just when you thought it couldn’t get any better, the phones feature an ultra low emission (ULE) shield which blocks up to 90% of electromagnetic waves, letting the sweet sound of the Ultrasone Pro 900 Headphones speak for itself, and without interruption.