Mode l: MT-HP020 Speaker : φ50mm Sensitivity : 120±3db Impedance : 32Ω Frequency response : 10~20,000Hz Microphone : Omni-directional Mic unit diameter : φ6.0±5.0mm Mic Sensitivity : 2.4±0.01m Interface : φ3.5mm stereo jack plus USB Cable length : 290±5g Dimension : 185*110*210mm
