Hearing Aids Rechargeable for Seniors with Noise Cancelling, Hearing Aid Device Amplifier Low Whistling

OverviewTechnical parameter
Max.OSPL90: 110dB±3dB
HF.Avg.OSPL90: 106dB±2dB
Max gain: 34dB±3dB
HFA Gain: 28dB±2dB
EQ Input Noise: 24dB±2dB
Frequency: 500-5000Hz
Styles: CIC
Charging time: 2-3h
Working time: ≤16h

Question & Answer
1. Why is there no sound when wearing it?
a) Check if the volume is suitable for your hearing.
b) Check whether the hearing aid has electricity.
c) Check whether there is earwax in the ear canal.

2. Why is there a whistling (sharp sound)?
A whistle (shrill sound) is a sign of wearing hearing aids incorrectly. If the hearing aid and ear canal do not match, the sound from the receiver will be picked up by the microphone again, forming a loop that will be continuously amplified and produce a whistling sound.

Solution: Please chooese the appropriate ear tips according to the size of the ear canal and make sure the ear tips fit snugly in your ear.

3. How can I care for my hearing aid?
a) Keep hearing aids away from heat and dust.
b) Clean hearing aids as instructed. Earwax and ear drainage can damage a hearing aid.
c) Avoid using hairspray or other hair care products while wearing hearing aids.
d) Turn off hearing aids when they are not in use.

4. For better care for your device, Please pay attention to 4 important cause for Hearing Aid Damage as below :
a) Failing To Clean Hearing Aids Or Cleaning Them Incorrectly.
b) Dropping Hearing Aids Like Dropping them on a hard surface from any height can damage them.
c) Improper Storage - store your hearing aids in moist places like the bathroom or hot places like the car.
d) When you wear device in shower, Swimming or Blow-drying your hair Using hairsprays and other aerosol products may expose your hearing aids to moisture, heat and substances that can clog the microphone and receiver result in stopping work.

Note: Please charge the hearing aid and charging case for at least 10-12 hours the first time you turn on them.