2X (a hallás erõsíti az L1S4 korú Mini Portable lopakodó vezeték nélküli akkumulátort

2X(The hear amplify Mini Portable stealth wireless battery of the age of th L1S4

2X(Small ear hearing aids, easy to carry around, free communication.
After taking the hearing aid at night, it should be placed in a box containing desiccant, avoiding light, avoiding high temperature and high humidity, and avoiding collision.
if you hear a whistle, check whether the size of the earplug (silica gel) is small, whether it is suitable, and whether the ear hole is tightly sealed. Please choose suitable earplugs and tight them, do not leak.
The function and volume control switch should be properly applied, so as to avoid the excessive and excessive force.
The external surface of hearing aids should be kept clean, and earwax should be cleaned regularly.
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
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
Model: F-138
Max Sound Output: 129dB /- 4dB
Max Sound Gain: 50dB /- 5dB
Harmonic Wave Distortion: Less Than Equal 5%
Frequency Range: 450~3500 hz
Input Noise: Less Than Equal 30 dB
Battery: AG13 button battery (included)
Working Voltage: 1.5 V
Work)

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