Various embodiments disclosed in the present document relate to an electronic device capable of wirelessly charging a pen input device. According to various embodiments disclosed in the present document, provided is an electronic device comprising: a housing that accommodates an electronic component in the inner space thereof; a wireless charging coil disposed on the inner surface of the housing forming the inner space; a first magnetic body group disposed on the inner surface of the housing and aligned with the wireless charging coil in a first direction; and a magnetic field sensor, disposed to be spaced apart from the first magnetic body group by a predetermined distance, for recognizing reverse attachment of a pen input device attachable to the electronic device. Various other embodiments may be provided.