An electronic device includes a shell, an image capturing device, a sliding key, a driving element, and a sliding pin. The shell defines a receiving space, a number of positioning grooves, and a through hole communicating with the receiving space. The image capturing device is received in the receiving space. The image capturing device includes a supporting frame rotatably connected with the shell and defining a matching hole. The sliding key includes an operation portion and a connection portion. The connection portion is received and slidable in the through hole. The driving element includes a main portion connected with the connection portion, at least one driving arm, and a tail portion. The tail portion includes a positioning protrusion received in one positioning groove. The sliding pin engages with the at least one driving arm and is slidable in the matching hole for driving the supporting frame to rotate.