Speaker Size: Φ 30mm
Speaker Impedance: 32ohm4984115%
Speaker Sensitivity: 96dB498413dB
Frequency Response: 20-20, 000Hz
Power Capability: 30mw
Microphone Sensitivity: -58dB498412dB
Microphone Frequency Response: 30-16, 000Hz
Rated Voltage: 4.5V
Cable Length: 2 M