Product Name MH751 Model Number MH-751 Headphone Driver 40mm Neodymium Frequency Response 20-20,000Hz Impedance 26 ohm Sensitivities (at 1KHz) 97dB +/- 3 dB Cable Length 1.5m 3.5mm connector (removable) 0.3m dual 3.5mm cable (removable) Connector 3.5mm 4-pole jack Headband Material Steel and plastic headband, PU leather and foam cushion Ear Cushion Material PU Leather and foam cushion Microphone Pick-up Pattern Omni-directional Frequency Response 100-10,000Hz Sensitivity (at 1kHz) -42 +/- 3dB Signal to Noise Ratio 55dB Microphone Type Detachable flexible microphone Item Dimension (L"xW"xH") 11 x 5 x 12 Weight 5.00 LB Warranty Information 2 years