Koss 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;