-69%
-9%Speaker: 40mm Sensitivity: 100+/-3dB Frequency range: 20Hz-20KHz Impedance: 32ohm+/-15% Microphone parameters: sensitivity -38+/-3dB Impedance: 2.2KΩ+/-30% Wire interface: USB power, DC3.5 audio Cable length: about 2.2m Mic size: 6.0×2.7mm
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