First of all, It Is A True Professional OTC Hearing Aids, Not Amplifier.
It Can offer Adjustable, Stable Crystal Clear Hearing Support.
Features:
* 3 Program Setting: General, Indoor, Outdoor–suitable for different scene mode
* Nearly Invisible: Small size, comfortable to wear, no one knows you are wearing hearing aids
* 11 Channals Advanced DSP Chips: The More Channals,The More Advanced — Bring you clear sound and Noise Cancellation
* Large Capacity Charging: 4 times to charge, Battery Lasts 100 Hours
* Fast Charging: 3 Hours to charge, 20 hours working time–Long lasting working time