KOSS 183773 UR29 Full-Size Collapsible Over-Ear Headphones

• Delivers bass-enhanced high-quality sound ;• Features dynamic elements, constructed from 1.4mm Mylar(R) to enhance rigidity, minimize mechanical distortion & yield a full-frequency response;• Closed leatherette earpads;• Earcups rotate & fold in to collapse into a protective package;• Volume control on cord;• Padded adjustable headband;• Freq resp: 18Hz-20kHz;• Imp: 100ohm ;• Sensitivity: 101dB/mW;• 8ft straight, single-entry cord;• Includes gold-flashed 3.5mm plug & gold-flashed 1/4" adapter;• Limited lifetime warranty;