Behind the style, the behind-the-ear and in-the-ear type of body are distinguished. Standart BTE
fully attached behind the ear, and inRIC
models sound emitter (receiver) is carried out in the ear.
In-the-ear hearing aids can be presented in three variations: ITC
In addition to this, devices can have a feedback system, different types of directivity of microphones, binaural synchronization, and other functions that increase operating comfort and speech intelligibility.