The custom hearing aid that fits within the outer portion of the ear.

Invisible-In-Canal (IIC)

Rests in the second bend of the ear canal where no one can see them.
Pros
Custom-fit to your ear.
The smallest, most discreet hearing aid made.
Rests deep in the second bend of your ear canal.
To consider
Small size may be challenging to wearers with dexterity issues.
Small batteries require more frequent changing.
Small size cannot accommodate manual volume or memory controls.