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Specification:
• Speaker: 50mm
• Impedance: 200±15%
• Sensitivity: 113dB±3dB
• Frequency response: 20 Hz to 20 kHz
• Microphone: Ø6.0×2.7 mm
• Microphone sensitivity: -38dB±3dB
• Cable length: 2.1m
• Plug: 3.5mm + US