System for charging an ear-worn electronic device

A system comprising:

• a hearing device comprising:
• a housing that encloses an internal volume and extends from an internal side to an external side, the housing comprising:
• a shell arranged at the internal side, the internal side configured to be inserted in a wearer's ear canal;
• and
• a faceplate arranged at the external side, the external side configured to face away from the wearer;
• an electrode arrangement disposed in an outer surface of the faceplate, the electrode arrangement comprising:
• a central contact;
• and
• an annular ring contact surrounding the central contact or a plurality of contacts surrounding the central contact, wherein the central contact and the annular ring contact or the plurality of contacts form at least a portion of an exterior surface of the hearing device;
• and
• circuitry disposed in the internal volume and coupled to the electrode arrangement;
• and
• a charging module comprising a charging interface that comprises:
• a central charging contact;
• and
• an annular ring charging contact or a plurality of charging contacts surrounding the central contact.