HEARING AID SYSTEM WITH A HEARING AID AND A CHARGING STATION

The invention relates to a hearing aid system (1), comprising a hearing aid (2) which has a rechargeable battery (6) for power supply and a first data memory (14) for storing operating data, and a charging station (4), which has a non-volatile second data memory (30), wherein the charging station (4) is configured to at least temporarily charge the battery (6) of the hearing aid (2) when the hearing aid (2) is arranged in a charging position (16) relative to the charging station (4), wherein the hearing aid (2) is configured to transmit operating data stored in the first data memory (14) to the charging station (4) when the hearing aid (2) is arranged in a transmission position (24) relative to the charging station (4), wherein the charging station (4) is configured to store operating data transmitted from the hearing aid (2) in the second data memory (30), wherein the charging station (4) is further configured to transmit operating data stored in the second data memory (30) to the hearing aid (2) when the hearing aid (2) is arranged in the transmission position (24), and wherein the hearing aid (2) further comprises a computing unit (32) which is configured to adjust at least one parameter relating to signal processing of the hearing aid (2) on the basis of the operating data transmitted from the charging station (4) to the hearing aid (2).