USB Rechargeable Hearing Aids Mini Ear Hearing Amplifier Adjustable Tone Hearing Aid Sound Amplifier Hearing Device for Elderly
•The hearing aid come with rechargeable function, no need to change battery
•The hearing aid combines a cosmetically appealing look with the smooth sound an internal speaker
•This hearing aid channel digital sound processing allows the user to control volume
Max OSPL: ≤129dB±3dB
Max Sound Output: 117dB±4dB
Max Sound Gain: 38dB±5dB
Frequency range: 450Hz-3000Hz
Total Harmonic Wave Distortion: ≤10%
Input noise: ≤28dB
Charging time: 4-6H(8H for the first charge)
Available time: 40H (Depending on amplification power)
“OFF”—Power off button
“H”—–Low frequency compression mode
“N”—–Normal usage mode
1 x Hearing aid
3 x Earplug (Different sizes)
1 x User manual (The user manual is given at random.)
1 x Black Box
1 x USB charging cable without the charge head (Recommended with 1-2A charging head)
1. Clean the ear canal before use.
2. Charge the hearing aid,turn the botton to N
3. When using it for the first time, please turn the volume to the minimum and then slowly increase it.
4. Try and select suitable ear dome. Install the ear dome and make sure it fits snugly.
5. Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal.
6. If the earbuds cannot fill the ear canal, it may cause feedback or whistler,So repeat step 5 to reduce howling and noise.
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight,
the appropriate choice of earplugs and plugged, make sure no air leakage.
5.Keep the ear plug clean.
6.Turn off the hearing aid if you don’t use it.
2. If you need to use a replacement charger, please use a charger suitable for the product. If an inappropriate charger is used to charge the product, it will cause damage to the product.
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