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)
Shipping Time Tips:
All of package sent by registered mail. with tracking number can follow package status. it is security of safe freight. Shipping time is about 20--50 days. As a result of various countries' policies and weather and other reasons. sent to different country ,shipping time will be different. Has any questions. please feel free to contact me through ali message. thank you!
Feedback:
Leave negative feedback is can not solve problem. There are many, more positive ways to phase this about good communication Please sent message to us through Aliexpress. we will try us best to solve your problem. thank you!
About Taxes:
We will try our best to service you. Because custom rules are different in each country, tariffs and excise taxes are not our responsibility and we're not qualified to answer questions on this topic. Please research your country's tariffs and import excise taxes before purchasing..
