D&F Adjustable Amplifier mini headphones Cheap Digital Hearing Aid Invisible Enhancer Hearing care for Elderly Deaf

Item Type: Ear Care
Material: ABS
Size: Mini
Type: sound amplifier
technology: Digital
Style : Adjustable
Use for: Deafness Elderly
Part: In Ear
Feature : Portable Invisible
battery : NO
Maximum saturation sound pressure: 129dB ± 4dB
Maximum file acoustic gain: 48dB ± 5dB
Harmonic distortion: ≤18% (450≤F≤5000)
Frequency response: 450-3500Hz
Equivalent input noise: ≤ 30dB
Battery type: AG3 button cell
Operating voltage: 0.2 ± 0.1V
Operating current: ≤ 4mA
Color: Beige
Product size (L x W x H): 2.0 x 1.9 x 1.3 cm
Package size (L x W x H): 8.5 x 3.5 x 9.0 cm
Package content:1 x K-82 Hearing Aid 3 x Earplug 1 x User Manual

Product Features

  • Maximum saturation sound pressure: 129dB ± 4dB
  • Maximum file acoustic gain: 48dB ± 5dB
  • Harmonic distortion: ≤ 18% (450≤F≤5000)
  • Frequency response: 450-3500Hz
  • Equivalent input noise: ≤ 30dB

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