Specifications:

Max Sound Output: 129dB4dB
Max Sound Gain: 55dB5dB
Frequency Response: 350-3500hz
Input Noise: ≤30dB
Working Current: ≤4mA
Output Voltage: DC 1.5V
Harmonic Distortion: ≤5%
Power: AA Battery
Size: 7.0 x 4.2 x 1.8cm/2.8 x 1.7 x 0.7in(L x W x T) ?
Color: White

Features:

This hearing aid has powerful， windbreak and dustproof design
Designed with power low warning sound and power on time delay function， this wireless hearing aid is suitable for hearing loss people or patients
Professional hearing aid has reverse sound acoustic feed back suppression function
The test and fitting formula of this wireless hearing aid can be changed according to your own needs
This professional hearing aid has data storage function and digital denoising function
The professional hearing aid strengthens the low frequency to get a better listening experience
This professional hearing aid adopts digital audio zoom and dual microphones direction technology

The professional hearing aid combines a cosmetically appealing look with the smooth sound an internal speaker. Deliver direct， powerful， and smooth sound right into your ear

With the AA battery， this professional hearing aid will be used for long time

This hearing aid has a elegant packing box， it will be easy to store

Package Included:

1 x Hearing Aid