Wholesale Convenient Hearing Best Sound Voice Amplifier

Wholesale Convenient Hearing Best Sound Voice Amplifier
 

Product description:

Adjust volume to the minimum before wearing
Choose an earplug of slightly bigger size to avoid whistler
Increase volume gradually to avoid sudden increase in sound
Max Saturated Sound Pressure: 125dB+4dB
Sound gain: ≥50dB
Harmonic Wave Distortion: ≤50%
Frequency response Range: 300Hz~4000Hz
Input Noise: ≤ 30 dB
Power Voltage : 1.5 V
Current: ≤4mA
Battery Type: AG13 button cell battery (included)

Specifications:
Original box: Yes
Product Size: Approx. 92*70*27mm
Net weight: 100g
Package weight: 109g
Color: Beige
Packing content:
1 x Ear sound amplifier
3 x Earplug of different size
2 x AG13 batteries
1 x Instruction manual