Tips for buyers:
The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and extended, so it has a certain possibility of producing howling after power-on. At present, small hearing aids and high-power hearing aids on the market can hardly prevent howling, and only full-digital hearing aids can prevent howling.

Ways to avoid howling/noise:
1. When the power is high (the amplified sound is large), howling is more likely to occur. Therefore, gradually increasing the volume of layer can effectively prevent howling.
2. When the ear canal is completely closed, there is no howling sound. So, please use hearing aids after cleaning your ear canal, and test the ear tips from largest to smallest to find the most suitable ear tips.
3. After the hearing aid enters the ear canal, it is recommended to push the hearing aid with your fingers and hold it for 1-2 seconds, and then release it completely from the earplug.

Description

Hearing aids can effectively reduce noise and amplify sound. Our accessories include earplugs of different sizes. You can choose according to your ear size. This small device allows you to wear comfortably and provide a clear sound.

Specifications

Product name: Hearing Aid

Power mode: Rechargeable

Maximum saturation sound pressure level (SSPL): 130dB±4dB

Total acoustic gain: F = 1600Hz, 45±5dB

Total harmonic distortion (THD): F > 1000H 15% F < 1000H 10%

Frequency response: 450-3500Hz

Equivalent input noise: 32 dB

Battery: Rechargeable

Battery current consumption: 4 mA

Estimated battery life: 48 hours

Rated voltage: DC 1.5V

Not suitable for the crowd

1. According to the average frequency of pure tone audiogram language frequency calculation, or in the 0-30db without the use of hearing aids

2. Sudden deafness, especially occurring within three months

3. Tinnitus, unilateral or bilateral

4. Rapidly progressive hearing loss

5. Obscure aural crowds with unexplained hearing

6. Serious binaural otitis externa, otitis media, pus, and double external auditory canal closure

Package Include

1 x Hearing Amplifier

1 x Cleaning brush

4 x Earplugs

1 x USB cable

1 x Instructions

TIPS:

The actual color and shape of the item might looks slightly different from pictures because of the technical improvement and manufacturing variance or Computer screen color difference.