SF-555B
Sensitivity: -47dB ± 4dB
Frequency response: 100Hz-16KHz
Directivity: Noise canceling
Impedance: ≤2.2KΩ
Sensitivity reduction: Within -3dB at 1V
Operation voltage: DC 4.5V
S / N ratio: >67dB
Cord length: 1.5m
Plug type: USB plug
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