Sony's MDR-V6 Studio Monitor Series Headphones are designed and engineered for high-end audio applications. Features include a circum-aural earcup design, a large aura-nomic design 40 mm driver unit, a convenient folding design, reversible earcups for single-side monitoring, a cushioned headband, and a concealed single-sided Oxygen-free copper coiled cord. Put your MDR-V6 in its carrying case and keep on moving!