BSTUO Rechargeable Mini Hearing-Aid Hearing Amplifier Ear Sound Amplifier – US Plug


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Overview and Specifications:

amplifier hearing aids  for the elderly MaxSSPL(±5dB) 128Full-on-gain(FOG)(1.6KZ.±5dB) 31 Equivalent input noise level(±dB) 22Harmonic distortion(%)(1.6KHZ) 4Power supply electric voltage(V) 1.5The sum settles electric current(mA) 3 Continuoue wrok time (H) 10-12Charging time 2-3HFive file to adjust the volume

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