Specifications:

Super long stand by time Hearing aid:

Max Sound Output: 127±4 dB

Max Sound Gain:48dB ± 5dB

Harmonic Wave Distortion:  ≤5%

Frequency Range: 450~3500hz

Input Noise:  ≤32 dB

Battery: Lithium Battery                

Working Voltage dc 3.7V                      

Working Current: ≤3mA     

Net Weight     200g                    

color box size  15.3*96*38cm              

Special Function Key:  Rechargeable

Package Content:

1 x Hearing Aid

1 x Carrying case

1 x Charger (110-240v.)

4 x Earplugs

1 x User Instructional Brochure

1 x earphone

Note:

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.