색깔
black, customized colors
Product name
hearing amplifier rechargeable
Feature
Digital Processing
Suitable For
Adults Senior Hearing Improving
Color
black, customized colors
Maximum saturation sound pressure level
≤120dB +3dB
Output sound pressure level
110dB +4dB
Full range full-on gain
30dB + 5dB
Frequency response range
No narrower than 450~3000hz