Invisible-in-the-canal hearing aids (IIC) are the smallest hearing aids available. These custom-made hearing aids fit fully inside your ear canal, making them almost, if not completely, invisible. Tiny cords are attached to the hearing aid so that you can remove them easily.
Adapt automatically to the sound environment
Have a discreet style
Can be vulnerable to earwax and moisture build-up
Are better for minimizing wind noise (due to their placement)
Do not have a directional microphone
Can be difficult to adjust for those with dexterity issues
