MICROPHONEFrequency Response: 100 Hz - 10 kHz - Sensitivity: -45 dBV/Pa - Signal-to-Noise Ratio: >42 dBPick-Up Pattern: Uni-DirectionalSPEAKERFrequency Response: 20 Hz - 20 kHz - Impedance: 32 Ohms - Sensitivity: 111 dBSPL/VMaximum Input Power: 40 mW - Drivers: 2 x Dynamic 50 mm FEATURESMetal Headband Frame - Self-Adjusting Head Strap - Dual Material Ear Cushions - Inline Volume Slider with Max LockRemovable Flip-to-Mute Mic Boom - Cable Length: 1.2 m - Connector: 3.5 mm - Y-Adapter (PC Models)