* High Performance Headphones. * Noise Reduction. * 40mm Diameter Driver Ensures High Fidelity Sound. * Long Lasting Comfort. * Lightweight and Compact Design. * Soft-Cushioned Earcups Rest Gently On Your Ears. * Adjustable Headband for Your Comfort. * Rich and Crisp Bass Response. * Impedance: 32ohm. * Sensitivity: 105dB S.P. L at 1KHz. * Frequency Response: 20Hz-20000Hz. * Rated Power: 15mW. * Power Capacity: 150mW. * Cable Length: 4. 9 Ft. * Jack: 3. 5mm.