Product Description

This Voice Sound Amplifier helps people with hearing impaired problem to hear sound and voice as normal people. A hearing impairment or hearing loss is a full or partial decrease in the ability to detect or understand sounds. Caused by a wide range of biological and environmental factors, loss of hearing can happen to any organism that perceives sound.

Factors that may cause hearing impairment:

Conductive 

Sensorineural hearing loss 

Long-term exposure to environment all noise 

Genetic 

Disease or illness 

Medications 

Physical trauma

 

Features:

100% Brand New! Behind the Ear Sound Amplifier 

Super Mini size, it is not easily been seen 

Caution: 

Adjust volume to minimum before wearing 

Choose an earplug of slightly bigger size to avoid whistler 

Increase volume gradually to avoid sudden increase in sound 

This product is not medical device 

Accessories: an elegant carrying case, 2 earplug of different sizes & 2 batteries 

Color of the monitor: Beige 

 

Specification:

Maximum sound output (+/- 5 dB) :130

Maximum acoustic gain (+/- 5dB) = 50 

Total Harmonic Wave distortion = 5%

Frequency response Range (Hz): 300 - 4000

Input Noise (dB) = 30

Power Voltage (V): 1.5

Current (mA) = 4

Battery Type :AG13 x 2

 

Package:

1 x cheap Behind the EAR Sound Voice Amplifier Deaf Hearing Aid for sale F-138

2 x earplug 

2 x LR44 batteries 

1 x Instruction manual (English)