Healthcare Supply Bte Ear Amplifier China...
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New Product Hearing Machine Hearing Amplifier Digital Hearing Aid for Deaf Feature:
1. WDRC & AFC Digital Hearing Aid: AFC: The use of an adaptive feedback canceler (AFC) for howling suppression in hearing aids . WDRC: Wide dynamic range compression, the amplification system ever to compensate for the loudness sensitivity. 2. Button Volume Control & Volume Memory: Easy to control volume and the machine will remember the sound level when next time turn on.
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