Sleek aluminum housing. Large-diameter 40 mm dynamic drivers for outstanding sound. Frequency response: 10Hz - 25kHz. Swivel-lock design is foldable for convenient storage and portability. Sealed design reduces sound leakage. Luxurious earpads for long-wearing comfort. 1.2m OFC cable with gold-plated 3.5mm stereo plug. Includes protective carrying pouch