Updated July 14, 2013.

Example of a hearing aid from Insound Medical, the Lyric. Lyric is an extended wear hearing aid, meaning it can be worn for a long time before replacing.

This is the Lyric extended wear hearing aid from Phonak's Lyric Hearing Aid. Lyric can be worn for a long time before needing replacement. It does not require batteries or earmolds (soft pieces of material molded to fit the ear) and does not need to be taken out by the wearer.