Description
- Hign-concerned Chemical: None
- Origin: China Mainland
- Model Number: 1607 Digital Hearing Aid
- Brand Name: HearingUnion
- Battery: Rechargeable
- Hearing Aids: Hearing Aid
- Listening Device: Elderly Deafness
- Earphones: Mini rechargeable
- Sound amplifier: RE-Sound
- Hearing Amplifier: Ear Care
- Severe Loss: Moderate loss
- Noise reduction: Amplifier
- Headphone amplifier: High quality hearing aids
- Volume contorl: Hearing aids
- Headphones: Sound Amplifier
- Rechargeable Hearing Aids: Severe Hearing Loss
- Earbuds Wireless: Low-Noise
- Powerful Hearing Aid: Deaf Headphones
- Digital Hearing Aid: Adjustable Tone Hearing Aids
- audifonos para sordera: aparatos auditivos
- Mini invisible hearing aid: Rechargeable hearing aids

Rechargeable Hearing Aid Mini Invisible Digital Sound Amplifier for Deafness Elderly Wireless Aids Mild to Moderate Hearing Loss Audifonos
Securely position the instrument into your ear. Once the hearing aid is properly seated in your ear,the howling will generally stop.
Product Features:
* Mini size–Invisible to wear
* Easy to operate for elderly
*Digital chips, Noise reduction
* Rechargeable–no need to replace battery
* Around 25 Hours to use after fully charged
Product parameters:
Size: 21.7x15x21.9mm
Working voltage: DC 3.7V +5%, -10%
Working current: ≤ 1.4mA
Frequency response: 300-5000 Hz
Equivalent Input Noise: ≤29dB, +3dB
Maximum Saturation Acoustic Output: ≤128dB, +3dB





















Question: Why is there a howling, whistling, or sharp sound?
Answer:
Whistling occurs when the hearing aid and the ear canal are not completely matched. Sounds from the receiver are duplicated at the microphone and the sounds form a loop, which may be continuously amplified and result in a whistling noise. Please don't worry,The folloring tips will help reduce the occurrence of feedback whistle:
1.Reduce the volume.Turn off or lower the volume before inserting the instrument in your ear.
2.Securely position the instrument into your ear.
Once the hearing aid is properly seated in your ear,the whistling will generally stop.
3.Clear the ear canal of wax or debris.Check your ear with help.
4.Change the ear piece or tubing.Change a new one or a different size one.Make sure the tubing is not broken or torn.





