Hearing Aid Ear Sound Amplifier Adjustable Tone Aids Portable for Deaf Elderly Listen Care | Красота и здоровье

Характеристики

Adjustable Hearing Aid Ear for Deafness Sound Amplifier Hearing Aids Portable Super Ear Hearing Amplifier for the Elderly

Hearing aid
MaxSound Output: 130±5 dB
MaxSound Gain: 55±5 dB
Harmonic Wave Distortion:≤10％(1000Hz)
FrequencyRange: 300-4500 Hz
Input Noise:≤30 dB
Battery: AG13 Button batteries (not included)
Working Voltage: dc1.5V
Working Current:≤3mA
Color: As the picture shows
Item Size: 3.8 x 2.1 x 0.9 x 3cm
Package Size:  19 x 8.2 x 2cm
Net Weight: 9g

Package included
1 x JZ-1088A Hearing aid
3 x Earplug (different sizes)
1 x User manual
1 x Box

Note
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.Remove the battery if you don't use it for long time. ( battery is not include)