Super Mini Hearing Aid, Ear Sound Amplifier

SPECIFICATIONS:

Max Sound Output:
130±5 dB
Max Sound Gain:
55±5 dB
Harmonic Wave Distortion:?10?(1000Hz)
Frequency Range:
300-4500 Hz
Input Noise:?30 dB
Battery:
AG13 Button batteries (included 1pcs ,due to post mail do not allow ship too more battery ,we will ship 1pcs battery for your reference.)
Working Voltage:
dc1.5V
Working Current:?3mA
Item Size:
3.8 x 2.1 x 0.9 x 3cm

Net Weight:
9g

INCLUDES:

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

NOTES:

Adjust volume to the minimum before wearing.
Choose an earplug of slightly bigger size to avoid whistler.
Increase volume gradually to avoid sudden increase in sound.
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.
Keep the ear plug clean
Remove the battery if you don't use it for long time.

JAMSTVO

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