An electrically powered device (160) including an insertion component (165) for insertion into the ear cavity of a user, the device (160) including at least one inductor (170) operatively connected to a control circuit (175), the control circuit (175) providing electrical energy to the at least one inductor (170) wherein the insertion component (165) includes the at least one inductor (170) such that when in use, the at least one inductor (170) is in close proximity to the inner ear of the user.