Product Parameters:

• Speaker size:φ40mm
• Impedance:4Ω,2w
• Sensitivity:≥70dB
• Frequency range:90Hz-18KHz
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• Microphone:built-in
• Sensitivity:-38±3dB
• Impedance:2.2KΩ
• Cable length:True wireless design
• Working current:≤100mA
• Connectors:V5.0
• Distance:≤10m
• Battery capacity:400mAh
• Charging Voltage:DC3.7V
• Working time:3.5-8 hours
• Rated power:RMS 3w*2
• Working Voltage:DC5V