Product Parameters:

• Speaker size:φ40mm
• Impedance:32Ω±15%
• Sensitivity:110±3dB
• Frequency range:20Hz-20KHz
•   
• Microphone:outside
• Sensitivity:-38±3dB
• Impedance:2.2KΩ
• Cable length:2.0M±5%
• Working current:≤100mA
• Connectors:USB jack