Hearing aid ,Esrover Rechargeable Digital Mini In Ear Hearing Aid Adjustable Tone Sound Amplifier

Specifications:

Pocket Hearing aid

Max Sound Output: 129±4 dB

Max Sound Gain: 58dB ± 5dB

Harmonic Wave Distortion: f<1000Hz≤15%,f>1000Hz≤10%

Frequency Range: 450~3500hz

Input Noise: ≤30 dB

Working Voltage: dc1.5V

Working Current: ≤4mA

Color: As the picture shows

Item Size: 6.1 x 4.1 x 1.6cm

Package Size: 18 x 9.8 x 3.8cm

Net Weight: 60g

Package included:

1 x Hearing aid

4 x Earplug (different sizes)

1 x AA battery

1 x Screwdriver

1 x Carrying Bag

1 x User manual

Product Features

  • Adjust volume to the minimum before wearing.
  • Increase volume gradually to avoid sudden increase in sound.
  • Choose an earplug of slightly bigger size to avoid whistler.
  • 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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