Not sure what to buy or need help with your new product? We've got you covered! Call our Circuit City experts at 877-234-8013 for personalized shopping advice and product support. 30mm drivers/closed-back on-ear volume limited <85 DB Included: 1 Warranty Card(s) Features: Volume Control, Adjustable Headband Impedance: 32 Ohms Inputs/Outputs: 1 Headphone Jack(s) Measurements: 2.75 Length/Inches, 6.1 Height/Inches, 5.11 Width/Inches Cord Length (ft.): 4 Ft Minimum Frequency Response: 12 Hertz Maximum Frequency Response: 22 Kilohertz Weight (lb.): 0.2 Lb Country of Origin: Imported