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Best Hearing Aids Voice Amplifier Mini Digital Assistance Device

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Price: $39.95$26.95
 

 

  • Features: brand new and high quality hearing aid sound amplifier, super mini size and light weight, not easily to be seen
  • Design: adjust volume to the minimum before wearing, increase volume gradually to avoid sudden increase in sound
  • Use: convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly
  • Max sound output: 110±5dB
  • Sound gain: ≥30dB
  • Total harmonic wave distortion: ≤10%
  • Frequency range: 300-4000Hz
  • Input noise: ≤40dB
  • Voltage: DC1.5V
  • Current: ≤4mA