Combining a rich lifelike sound with a comfy fit, the Bose OE2 Headphones are perfect for anything from casual to active listening. Its Tri Port headphone structure ensures your music sounds richer than it ever has before, thanks to Bose's unique technology which produces brilliant low tones as well as fantastic definition & creating a pair of well structured, comfy headphones. Its foldable design makes it easy to store, while its detachable cable prevents tangling & provides more freedom of movement.