Product Parameters:

• Speaker size:φ40mm
• Impedance:32Ω
• Sensitivity:102±3dB
• Frequency range:20Hz-20KHz
•   
• Microphone:outside
• Sensitivity:-38±3dB
• Impedance:2.2KΩ
• Cable length:1.2M
• Working current:≤100mA
• Connectors:3.5mm jack
• Distance:
• Battery capacity:
• Charging Voltage:
• Working time:
• Rated power:100mW
• Working Voltage:DC5V