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Bluetooth/voice recognition microphone: HM-PSA05
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Product parameters
Sensitivity   -10~-2dB ±3dB
frequency    wide   150~8kHz ±3dB
Distortion THD   <1%(f=1kHz, 94dBspl)
S/N S/N   Min 60dB(A) (f= 1kHz, 94dBspl)
Working voltage   5~8V
Working current   Max:10mA
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