first aid china Rechargeable ITE hearing aid sound amplifier

first aid china Rechargeable ITE hearing aid sound amplifier
  • Продавец
  • Список ценUS $369.00piece
  • Продажная ценаUS $369.00piece
  • ДоставкаБесплатная доставка
  • Рейтинги4,7 (713)

Oписание продукта

Hearing Aid Earphone Digital Amplifier

Sound Hearing Device Ear Care Machine 

Cheap Invisible Audiphone for The Elderly S-51

This headphone for deaf suit for mild to severe hearing loss person, it is popular in hearing aid medical supplies market because of it\'s smaller size and nice looking with best sound, clearly voice. Import Digital chips and medical plastic material protect your ear and skin, charging base is easy and save energy!

Products Informations:                                                                                     

Economic computer programming rechargeable hearing aids, dual-channel, four-band technology

Fully automatic volume control WDRC wide dynamic compression

Linear to wide dynamic range compression adjustable

Eliminate acoustic feedback

Dual memory (external VC optional)

Scientific calculation formula

Open DSP digital processing platform and the target curve perfect fitting

High-fidelity signal processing technology

Maximum sound output control

Low voltage, program conversion tone function

Low power consumption

Ultra-high-power design, suitable for mild to extreme hearing loss

Use the latest digital technology to eliminate cell phone interference

Automatic noise suppression, suitable for noisy environment to listen

Products technical parameter                                                                          

Peak Gain: 40dB
Frequency range: 200Hz ~ 6000Hz
Harmonic distortion: 500 Hz: 1.6%
            800Hz: 1.0%
            1600Hz: 0.3%
Equivalent input noise: 32dB
Working current: 0.25mA
Compression rise time: 6ms
Compression recovery time: 16ms
Power supply: USB charging

Package Including                                                                                           

1* Deaf-aid earphone

1* hearing aid battery A10

3* silicone different size ear plugs (small, medium, big)

1* cleaning wax brush

1* white gift box

1* English manual

1* FEIE warranty card




hearing aidS-51-2s-51-9S-51-199_s-51



1) It is super mini size and light weight, not easily to be seen;


2) Adjust the volume to the minimum before wearing;


3) Increase the volume gradually to avoid sudden increase in suond;


4)When you not use, take battery out of saving power;


5) Convenient for watching moive, enjoy the drama, attending meeting, watching TV or haveing class;


It can help you hear the sound clearly and loudly !


Problem if you met:                                                                                          

Pls read the manual at first if don\'t know how to use it or contact our customer service.

If you feel the whistling sound:

1. Choose a suitable ear plug to make the product sealed in the ear canal

2. Low down the sound volume

3. When you put into battery , please be quick , to put the product into the ear


Adjust volume to the minimum before wearing.

Choose an earplug of slightly bigger size to avoid whistler.

Increase volume gradually to avoid sudden increase in sound.

Keep the ear plug clean

Remove the battery if you don\'t use it for long time.

Shipping & payment & return                                                                          

about shipping

Warranty & return:                                                                                           

This product will have 12 months guarantee, any problems with the device, we will repaire for you for free during the warranty.

1) 100% of all delivered products are in good quality and under strict checking before sending.We will try our best to avoid quality problem.

2)We refuse returning the goods without any quality defects if you change your mind or don\'t like the items after you received the goods. 

3) You have 7 days to contact us and 30 dyas to return it from the date of receiving. If this iem is in your possesion more than 7 days, it is considered used and we will not issue you a refund or replacement.Please pack the item well and MUST provide us tracking number, specific reason for the return.


1) Please leave us positive feedback and 5 star rates, if you are satisfied with our item and service.

2) Please CONTACT US before leaving any 1,2,3 ratings, neutral or negative feeback or open an dispute, we understand your concerns, so we will do our best to resolve the problems for you, thank you

Any problems you met, pls contact us at once, we are very responsible seller and we are professional in medical hearing aid supplies.


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