Pocket Hearing Aid | Hearing Devices MSLF-28

Specifications:

Pocket Hearing aid

Max Sound Output: 129±4 dB

Max Sound Gain: 60dB ± 5dB

Harmonic Wave Distortion: ≤5%

Frequency Range: 250~3800 hz

Input Noise: ≤30 dB

Battery: 1 x AA battery (included)              

Working Voltage: dc1.5V                      

Working Current: ≤4mA       

Color: As the picture shows

Item Size: 6.75 x 4.35 x 1.9cm

Package Size: 12 x 8.5 x 3.3cm

Net Weight: 29g

Pocket Hearing Aid | Hearing Devices MSLF-28

Package included:

1 x Hearing aid

4 x Earplug (different sizes)

1 x AA battery

1 x Screwdriver

1 x Box

1 x User manual

Pocket Hearing Aid | Hearing Devices MSLF-28

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.

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