Description

Rechargeable Hearing Aid BTE Mini Digital Wireless Ear Hearing Aids Sound Amplifiers Voice Adjustable For The Elderly Deafness Headphone Listening Device,Blue,Silver,Skin Color.

Product Description:

1.This product is designed for 40-60 years old elder people, suitable for those people who was hearing loss.

2.Wearing the hearing aid means rediscovering the pleasure of gathering with friends and family .feeling more confident at work ,and enjoying movies ,music and TV programs.

3.We equipped 4 different sizes earplugs with soft silicone, you can according your need to adjust, will not hurt your ear, it will provides you a comfortable experience.

4.This product is rechargeable style, you can save the battery cost, you can charger on the night,then you can use normally during in the day.

5.This hearing aids have volume control, it can adjust the volume to fit your own needs, and it will comfortable to wear for a long time, and also provide better technology in ray of hearing aids, to reduce electromagnetic interference.

Product parameters:

1.Size: 43mmx16.5mmx11.3mm

2.Weight: 8g

3. Working Voltage: DC 1.2V

4. Working Current: ≤1.2mA

5. Frequency Response: 450-3400Hz

6. Max Saturation Acoustic Output: 129dB(+3dB)

7. Full Acoustic Gain: 40dB(±5dB)

8. Total Harmonic Distortion:＜10%

9. Equivalent Input Noise:＜32dB

Package List：

1* Hearing Aid

4* Silicone earplugs(different sizes）

1* Cleaning brush

1* USB cable

1*Power Adapter（EU Plug，US Plug）

1* Use Manual

Ways to avoid Whistling /noise:

Whistling is common for small amplifiers and is known as “Feedback”.it is caused by amplified sound from the hearing aid getting back to the microphone and being re-amplified.The following tips will help reduce the occurrence of feedback whistle:

1.Adjust volume to the minimum before wearing;

2.Choose an earplug of slightly bigger size to avoid whistler;test the earplugs from large to small to find the most suitable earplugs.

3.Increase volume gradually to avoid sudden increase in sound;

4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage;

5.Keep the ear plug clean;