Portable Hearing Aid Mini Ear Sound Amplifier Adjustable Ear Hearing Amplifier Aid Kit Tone Hearing Aids for the Deaf/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 (included 1pcs ,due to post mail donot allow ship too more battery ,we will ship 1pcs battery for your reference.)            

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 ( optional )

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.