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High Power Wired Box Mini Hearing Aid

$19.90 $29.90
Features:
  • 100% brand new sound amplifier behind the ear
  • Super mini size and light weight, not easily to be seen
  • 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
  • Powered by 1 x AA battery (NOT included)
  • Size: 7.0 x 4.0 x 2.0 cm (L X W X T)
  • Color: as pictured
    Technical Specifications:
    • Max Saturated Sound Pressure: 130dB +5 dB
    • Sound gain: ≥ 50db
    • Harmonic Wave Distortion: ≤ 5%
    • Frequency response Range: 300 --- 4000 Hz
    • Input Noise: ≤ 30 dB
    • Power Voltage: 1.5 V
    • Working Current: ≤ 4mA
    • Battery Type: 1 x AA battery (NOT included)
    Package included:
    • 1 x hearing aid amplifier
    • 2 x earplug
    • 1 x manual