Embodiments of the present disclosure comprise a first electronic device comprising: at least one microphone; a communication circuit; and at least one processor. The at least one processor is configured to: establish first communication connection with an external electronic device by means of the communication circuit; transmit information relating to a first voice signal, obtained by means of the at least one microphone, to the external electronic device via the established first communication connection, by means of the communication circuit; receive second noise information relating to a second voice signal from a second electronic device, by means of the communication circuit, wherein the second voice signal corresponding to the first voice signal is obtained by the second electronic device while the information relating to the first voice signal is transmitted to the external electronic device; and transmit first control information, enabling the second electronic device to establish second communication connection with the external electronic device, by means of the communication circuit, on the basis of the first noise information relating to the first voice signal and the second noise information which has been received.