Technical data Speaker driver unit size: Φ50mm Speaker impedance: 32Ω ± 15% Speaker operating power (Max): 30mW Speaker sensitivity: 110 ± 3dB Speaker frequency response: 20~20KHZ Microphone size: Φ6.0*2.2mm Microphone sensitivity: -38dB ± 3dB Microphone type: Unidirectional Microphone S/N ratio: 58dB Microphone impedance: ≤2.2KΩ Interface: USB / 3.5mm stereo Cable length & type: 2.2m braided with volume controller Dimensions: 167 (w) mm x 206 (h) mm x 98 (l) mm Weight: 315g (without cable) Color: Black
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