Mic Dimensions: Ø4.0×1.5mm Directivity: Omnidirectional          Impedance: ≤ 2.2 KΩ  Sensitivity: -38±3dB Speaker Driver Diameter: Ø40mm   Sensitivity(S.P.L): 93±3dB  Frequency Response: 20Hz ~ 20KHz   Cord Length: ≥ 1.2M   Plug:  Ø3.5mm     Net Weight: ≈274g 
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