Battery capacity: lithium polymer 150mAh, 3.7V
Frequency response: 20-20KHz
Microphone impedance: 400Ω ± 10%
Sensitivity: 109dB ± 3dB
Weight: about 22.4±3g
Battery capacity: lithium polymer 150mAh, 3.7V
Frequency response: 20-20KHz
Microphone impedance: 400Ω ± 10%
Sensitivity: 109dB ± 3dB
Weight: about 22.4±3g