Maximum saturation pressure (± 4dB): 130
The gain: (46 ± 5dB)
Frequency range: (Hz): 100-5500
The equivalent input noise: (± dB)≤ 28
Harmonic distortion rate (%):≤ 4
Continuous working time: (H)≥ 10
Battery capacity: 40MA battery is a rechargeable battery
1 x Hearing Aid
1 x Power Adapter
1 x Charging Station
5 x Ear Plug
1 x English User Manual
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.
- Ear Mini Amplifier Hearing Aids Aid hearing aid
- Ear Hearing Aid Aids Ear Amplifying Aid
- Ear Hearing Aid Best Sound Amplifier
- Sound Enhancement Deaf Volume Amplifier
- Ear Hearing Aid Elderly Deaf Ear Hearing Loss Hearing