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BTE Hearing Aid Ear for Deafness Sound Amplifier Adjustable Hearing Aids Portable Super Ear Hearing Amplifier for the Elderly


Price:
$3.18

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Overview and Specifications:

Product Attribute
Model Number : 09A
Origin : US

1.Max sound out put:115+/- 3dB
2.Sound gain:>= 28dB+/- 2dB
3.Total harmonic wave distortion:<= 7%
4.Frequency range:300-4800MHz
5.Input Noise:<=29dB
6.Voltage:d.c.1.4V
7.Current:<=1.2mA