According to various embodiments, an electronic device (e.g., the electronic device 10 in FIG. 2) may include therein a coil unit 200 as a wireless power transmission device that transmits power wirelessly. A wireless power reception device (e.g., the wireless power reception device 21 or 22 in FIG. 1) that receives wireless power from the electronic device 10 may include a reception coil unit for receiving power. The coil unit 200 of the electronic device 10 may include a Tx coil, and the reception coil unit of the wireless power reception device 21 or 22 may include an Rx coil. By disposing the Rx coils of the wireless power reception device 21 or 22 to face each other in the region in which at least one Tx coil of the electronic device 10 is disposed, it is possible to transmit power through an inductive coupling scheme based on a magnetic induction phenomenon by the wireless power signal or a resonance coupling scheme based on an electromagnetic resonance phenomenon by a wireless power signal of a specific frequency.
