F-189 Mini Portable Hearing Aid Sound Voice Amplifier Behind Ear Enhancement Ear Hearing Aid
Specifications
Model:F-189
Max Sound Output:130±5dB
Equivalent Input Noise Level: ≤30dB
Full Sound Gain:≥50dB
Current:≤4mA
-Lightweight, wearing close to nothing, comfortable and natural.
-Strengthen the de fense against external noise and make the sound output to the ear canal smoother.
Package Included
1 x Brush
1 x Screw Driver
