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Specification:
• Size: 190*100*230mm
• Speaker: Φ50mm
• Impedance: 21±15% Ω
• Sensitivity: 109dB±3 dB
• Frequency Response: 20hz to 20k hz
• Microphone:φ4.0*1.5mm
• Cord Length: 2.2m
• Plug: 3.5mm+USB