best seller fashion hearing amplifier mini rechargeable hearing aids JH-A39

one-touch volume adjust

fashion earbud outlook design

lightweight

with a portable recharge case.

Wearing comfortable

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Specification
Color
Black/White
Frequency Range
400-4000Hz
Max OSPL90
<=113dB ± 3dB
Average OSPL90
<=109dB ± 4dB
Total Harmonic Wave Distortion
<=7%
Reference Test Gain
23dB ±5dB
EQ Input Noise
29dB ±3dB
Hearing Loss
Slight, Moderate
Certifications
FDA,CE,ROHS,ISO13485(Medical CE),Free Sale(CFS)
Custom LOGO Package
ONLY NEED 20PCS , We can provide custom service


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