A wearable device comprises: a U-shaped bent frame; a flexible part which is located at one end of the frame and of which the shape, bent and deformed by means of external force, is fixed; a main body housing connected to an end of the flexible part; a projector which is mounted on the main body and emits light corresponding to image information; and a transparent screen which is coupled to the main body housing and reflects the light emitted from the projector to supply and image to the wearer's eyes. The wearable device can be deformed to fit the user's head so that the wearing comfort is improved, and the wearable device can be worn even when the user is wearing glasses by detaching the main body housing.