Element: Back Electret Condenser Polar Pattern: Omni-directional 

Frequency Response: 20Hz-20KHz 

Sensitivity: -42dB±3dB 

Output Impedance: 2KΩ±30% 

SPL Max: 140dB 

Dimension: 3mm Cable: φ1.0×1.5mm 

Accessory: Tie-clip，windscreen