Adjustable Amplify Mode: 4 adjustable volume levels and 3 program modes for different environments, this smart sound amplification also programable, making sure the personal sound amplifier works best for listening needs. NOISE REDUCTION: Digital noise reduction and Wide dynamic rang compression WDRC processing. Built in imported silicon microphones and moving iron horn, the hearing amplifier...

Begin to hear what you have been missing ergonomics design, easy to hide and comfortable to wear. communicate without embarrassed. never miss a word and enjoy the world again! easy to use: you can change volume easily by adjustment bar to adapt to different environments small & comfortable: super invisible hearing aid(0.66 * 0.55 inch), 3 sizes of ear domes fit for different auditory meatus