SPECIFICATIONS

Brand Name: JBMBHC
Hign-concerned Chemical: None
Model Number: Hearing Aids
Origin: Mainland China
Type1: Ear Sound Amplifier
Type2: audifonos
Type3: sound amplifier

Product 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: Not include Button batteries



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 included:

1 x Hearing aid



3 x Earplug (different sizes)



1 x User manual

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.