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Speaker size: 50mm
Impedance: 16015%
Sensitivity: 94+3db
Frequency range: 20Hz-20KHz
Microphone: 4.0x1.5mm
Microphone sensitivity: -38+3dB
Microphone impedance: 2.2K 9
Directionality: omni-directional
Cable length: 2M$0.15%
LED working voltage: DC5V5%
Working current: ≤100mA
Headset jack: USB