According to various embodiments, an electronic device comprises: a power transmitter; a first communication interface for supporting a UWB communication scheme; a second communication interface for supporting a Bluetooth communication scheme; and a processor, wherein the processor can be configured to: transmit a first signal through the first communication interface; control the first communication interface to receive a second signal corresponding to the first signal; confirm first position information of a first external device on the basis of a transmission/reception time difference between the first signal and the second signal; control, on the basis of the inclusion of a first distance between the first external device and the electronic device in a first range, the power transmitter to transmit first driving power having a first magnitude - the first distance being confirmed according to the first position information; form, through the second communication interface after transmitting the first driving power, a Bluetooth communication connection with the first external device on the basis of the reception of a first packet transmitted from the first external device by using the first driving power; and control the power transmitter to transmit first charging power having a second magnitude, after performing a procedure for charging on the basis of the Bluetooth communication connection.