QZPRO Active Noise Reduction Headphone

New advances in materials and design have served to expand the performance of stereophones. Koss Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible. Main FeaturesManufacturer: Koss CorporationManufacturer Part Number: 148131Manufacturer Website Address: www.koss.comProduct Type: HeadphoneConnectivity Technology: Cable 4 ftDesign Type: Over-the-head Interfaces: 1 x 3.5mm Mini-phone Stereo Weight: 10.8 oz Standard Warranty: Lifetime Limited