ITE Hearing Aids: Fit entirely inside the ear, filling the entire outer ear Appropriate for mild to severe hearing losses Accommodate all features available in BTE
ITC Hearing Aids: Fit mostly in the ear canal and the bottom half of the outer ear Appropriate for mild to moderately-severe hearing losses Accommodate most of the features available in an ITE or BTE, but in a smaller size
CIC Hearing Aids: Fit deep and completely in the ear canal Appropriate for mild to moderate hearing losses Very small and use the smallest battery, which may be difficult to manipulate for patients with poor dexterity The small size can limit the available features (i.e. directional microphones, volume control, telecoil)