Charging system having a charger (1, 23) and having a hearing instrument wirelessly chargeable thereby, - wherein the charger (1, 23) has a transmission antenna arrangement and a transmission amplifier (12, 30) for actuating the transmission antenna arrangement and also a charging space, arranged inside the charger (1, 23), and a regulating device, - wherein the hearing instrument has a rechargeable battery and a reception antenna arrangement designed for resonantly receiving power, and also a charging device designed for transforming the signal received from the reception antenna arrangement into a charging signal, for charging the battery by supplying the charging signal and for controlling the charging process, characterized - in that the hearing instrument has a transmission device, designed for sending a charging parameter value dependent on the resonant receiving of power to the charger (1, 23), and the charging device has a capture device designed for capturing the charging parameter value, - in that the charging space arranged inside the charger (1, 23) has its bottom configured in the form of a charging tray for holding the hearing instrument, - in that the regulating device of the charger (1, 23) is designed for receiving the charging parameter value from the transmission device, and the transmission amplifier (12, 30) actuates the transmission antenna arrangement on the basis of the charging parameter value, - in that the transmission antenna arrangement has at least two feed points, - in that the transmission antenna arrangement and the feed points are in a physical arrangement in relation to the charging space such that a circularly polarized electromagnetic field can be generated in the charging space thereby, and - in that the transmission amplifier (12, 30) is designed to actuate the feed points accordingly. - wherein the charger (1, 23) has a transmission antenna arrangement and a transmission amplifier (12, 30) for actuating the transmission antenna arrangement and also a charging space, arranged inside the charger (1, 23), and a regulating device, - wherein the hearing instrument has a rechargeable battery and a reception antenna arrangement designed for resonantly receiving power, and also a charging device designed for transforming the signal received from the reception antenna arrangement into a charging signal, for charging the battery by supplying the charging signal and for controlling the charging process, characterized - in that the hearing instrument has a transmission device, designed for sending a charging parameter value dependent on the resonant receiving of power to the charger (1, 23), and the charging device has a capture device designed for capturing the charging parameter value, - in that the charging space arranged inside the charger (1, 23) has its bottom configured in the form of a charging tray for holding the hearing instrument, - in that the regulating device of the charger (1, 23) is designed for receiving the charging parameter value from the transmission device, and the transmission amplifier (12, 30) actuates the transmission antenna arrangement on the basis of the charging parameter value, - in that the transmission antenna arrangement has at least two feed points, - in that the transmission antenna arrangement and the feed points are in a physical arrangement in relation to the charging space such that a circularly polarized electromagnetic field can be generated in the charging space thereby, and - in that the transmission amplifier (12, 30) is designed to actuate the feed points accordingly.