Hearing Aids Personal Sound Amplifier Invisible Pocket Voice Enhancer The Elderly Deaf People Hearing Loss Care Tools

 Specification:
1. Name: Hearing Aid
2. The maximum sound output: 129 ± 4 dB
3. Maximum Sound Gain: 55 dB ± 5 dB
4. Frequency range: 450~3500 Hertz
5. Input Noise: ≤30 dB
6. Battery: AA dry batteries (not included)
7. Working voltage: DC1.5V
8. Working current: ≤4mA
9. Material: Plastic
10. Weight: 27g
11.Outer packaging: Carton; Inside: Plastic boxes
12. Size: 7*4.2*1.8 cm / 2.76 * 1.65 * 0.71 in

Product Features

  • Package include:1* Hearing aid with box packing,1 * User Manual,2 * Ear cap,1 * Headphone cable.
  • 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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