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Product specifications:
Speaker: 50mm
Sensitivity: 105+/-3dB
Frequency range: 20Hz-20KHz
Impedance: 32ohm+/-15%
Microphone parameters: sensitivity -42+/-3dB
Impedance: <=2.2KΩ
Wire interface: USB power, DC3.5 audio
Cable length: about 2.2m
Mic size: 6.0x2.7mm