ELECTRONIC DEVICE CAPABLE OF BEING HELD IN LANDSCAPE AND PORTRAIT DIRECTIONS, AND ELECTRONIC DEVICE COVER

An electronic device capable of being held in both a landscape and a portrait direction, and an electronic device cover for holding the electronic device in landscape and portrait directions, is provided. The electronic device cover and the electronic device comprise: a first plate; a hinge connected to the first plate and having resistance to rotation with respect to at least one rotation angle; and a second plate, which has one side rotatably connected to the first plate by means of the hinge, wherein the second plate may include a trapezoidal main plate having, as a base, the side of the second plate connected to the hinge, and a folding part connected to the main plate and folded in the planar direction of the second plate at a constant angle with respect to the short side of the second plate.