Description
- Usage: Switching
- Output voltage: none
- Connection: Desktop
- Output Type: none
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
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 Behind the EAR Sound Voice Amplifier Deaf Hearing Aid for sale F-138 (not inclued battery)
2 x earplug
1 x Instruction manual (English)
Includ retail box






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