About this product Five Volume Levels Enjoy five volume levels (20%, 40%, 60%, 80%, 100%). Double-click the left or right side to adjust the hearing aid volume. The volume cycles through five levels. You will hear a beep when the maximum volume is reached. Three Different Hearing Modes Press and hold for 3 seconds to switch between the modes: Normal Mode (one beep) Noise Reduction Mode (two beeps) Outdoor Mode (three beeps) High-Quality Sound Our hearing aid is equipped with a digital chip that excels at capturing and recognizing sounds. It also features intelligent noise reduction, preventing whistling and delivering clear, pure sound. Modern Design .
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