Rechargeable Hearing Aids for Deafness Elderly Digital Hearing Aid

Professional OTC Digital Hearing Aids Rechargeable Invisible Adjustable Tone Sound Amplifier 

1.Accessibility: OTC hearing aids put the power back in your hands, eliminating the need for multiple visits to healthcare professionals. OTC hearing aids offer easy accessibility without the need for prescriptions or fittings, making them more affordable and available in retailers and online.This accessibility ensures that you can start your journey to better hearing without unnecessary delays.

2.Easy To Use: OTC hearing aids are designed with user-friendly controls, allowing you to personalize your listening experience. Adjustments for volume and program settings can be made easily, putting you in control of your auditory environment.

Feature:

• 1. INVISIBLE & COMFORTABLE: Behind-the-ear hearing aids allow you to adjust sound levels and switch modes more easily than in-ear hearing aids. Quite discreet and invisible, very slim and light, can be completely undetectable when worn.

• 2. Better Listening Experience: Hearing Aids are coming with an upgrade digital chip,our hearing amplifiers can assists you have the clearest listening experience in most scenarios. layered noise reduction, provide you with high quality sound.

• 3. Natural Sound: This hearing aid has 3 programs and 11 volume levels. According to your needs and different usage scenarios, you can get different gains, making the sound more natural.Set the volume and the amplifier digitally adjusts automatically and according to the environment you are in for best results and maximum clarity.

• 4. Portable and Charge Everyplace: After charging the box, you can easily charge the hearing assistants wireless while going out. It only takes five hours to fully charge charger case, 5 to 10 times charging with charging case. Charge anytime and anywhere. The hearing amplifier simultaneously which help you avoid every day costs of purchasing batteries.

• 5. Providing More Options: After researching, we find that the double layer domes can seal the ear canal better and reduce airborne feedback. So we offer total 6 different sizes of double layer domes that make your hearing more comfortable with hearing aids for seniors.

Technical Specification:

Battery capacity: 25mAh

Charging box battery capacity: 400mAh

Hearing aid voltage: DC1.2V

Charging box voltage: DC3. 7V

Hearing aid working current: 1.2-1.5mA

Charging box quiescent current: 50uA

1. Saturated sound output: 112dBSPL

2.Peak gain: 35±5dB

3. High frequency average gain: 28±5dB

4. Equivalent input noise: ≤22.5dB

5. Harmonic distortion: ≤3%

6. Frequency response range: 200Hz-5523Hz

7. Cycle charging, rated working time 15H

8. The charging stand can charge 2 hearing aids 5 times

Link the charger and the charging box to charge together, choose the appropriate size earplugs, put the hearing aid behind the ears, put the earplugs in the ears, press the volume button to adjust the volume.

Tips of Feedback Cancellation

What is hearing aid feedback/whistle?

* Hearing aid feedback is what happens when the acoustic signal—or sound wave—escapes the ear canal and hits the hearing aid

microphone. It can sound like a squeal, screech, whistle, loud buzz or hiss.

Which factors causes feedback/whistle?

1. Acoustical feedback often happens when the device doesn’t fit properly or when there is significant wax buildup in the ear canal.

2. Mechanical feedback is caused by vibrations created when the hearing aid speaker comes in contact with the hearing aid casing.

How do I reduce or eliminate feedback?

1.Please adjust lower volume .Reduce the volume. Turn off or lower the volume before inserting the instrument in your ear.

2.Choose the suitable ear plug,Adjust the angle of the earplugs. Make sure there is no air circulation in the ear canal.

3.Make sure if you put the earplug tightly,sound leak will make the Whistle.Securely position the instrument into your ear. Once the hearing aid is properly seated in your ear,the whistling will generally stop.

4.Too much earwax - If the ear canal is blocked by too much earwax, the sound can’t get through. So, it bounces back into your hearing aids and they start to whistle. Please clean the ear domes using paper towel and rubbing alcohol, while also making sure your ears are clean from earwax.