AXON K-80 Handy Useful In-Ear Hearing-Aid

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  • Max sound output: 110±5dB
  • Sound gain: ≥30dB
  • Total harmonic wave distortion: ≤10%
  • Frequency range: 300Hz~4000Hz
  • Input noise: ≤40dB
  • Voltage: D.C. 1.5V
  • Current: ≤4mA