Brand: AXON
Model: F-188
Material: plastic
Product Size: Approx. 43*19*9mm
Color: beige
Max sound output: 130dB±5dB
Sound gain: ≥50dB
Harmonic Wave Distortion: ≤5%
Frequency response Range: 300Hz~4000Hz
Input Noise: ≤ 30dB
Power Voltage: 1.5 V
Current: ≤ 4mA
Battery Type: AG13