A mobile terminal comprising: a main body having a top surface, a bottom surface, and a back surface; and a case surrounding the main body, the case including: a top portion covering the top surface of the main body; a first back portion positioned at an upper part of the back surface and covering at least a first portion of the back surface; a second back portion positioned below the first back portion and covering at least a second portion of the back surface; and a bottom side portion covering the bottom surface of the main body, wherein the top portion, first back portion, second back portion, and bottom side portion are made of a metal material, wherein the top portion, first back portion, second back portion, and bottom side portion are separated from one another by non-metal members (104a, 104b, and 104c), and wherein at least one of the non-metal members (104a, 104b, and 104c) has a light-emitting portion that is adapted to give off light, wherein the top portion, first back portion, and bottom side portion are connected to a printed circuit board such that the top portion provides a first antenna radiator, the first back portion provides a second antenna radiator, and the bottom side portion provides a third antenna radiator, and wherein the second back portion is electrically connected to the printed circuit board to provide a ground portion,wherein the non-metal member (104a, 104b, and 104c) comprises: a first non-metal member that separates the top portion and the first back portion, and defines a slit between the first antenna radiator and the second antenna radiator; a second non-metal member that separates the first back portion and the second back portion, and defines a slit between the second antenna radiator and the ground; and a third non-metal member that separates the second back portion and the bottom side portion, and defines a slit between the ground and the third antenna radiator. a main body having a top surface, a bottom surface, and a back surface; and a case surrounding the main body, the case including: a top portion covering the top surface of the main body; a first back portion positioned at an upper part of the back surface and covering at least a first portion of the back surface; a second back portion positioned below the first back portion and covering at least a second portion of the back surface; and a bottom side portion covering the bottom surface of the main body, a top portion covering the top surface of the main body; a first back portion positioned at an upper part of the back surface and covering at least a first portion of the back surface; a second back portion positioned below the first back portion and covering at least a second portion of the back surface; and a bottom side portion covering the bottom surface of the main body, wherein the top portion, first back portion, second back portion, and bottom side portion are made of a metal material, wherein the top portion, first back portion, second back portion, and bottom side portion are separated from one another by non-metal members (104a, 104b, and 104c), and wherein at least one of the non-metal members (104a, 104b, and 104c) has a light-emitting portion that is adapted to give off light, wherein the top portion, first back portion, and bottom side portion are connected to a printed circuit board such that the top portion provides a first antenna radiator, the first back portion provides a second antenna radiator, and the bottom side portion provides a third antenna radiator, and wherein the second back portion is electrically connected to the printed circuit board to provide a ground portion,wherein the non-metal member (104a, 104b, and 104c) comprises: a first non-metal member that separates the top portion and the first back portion, and defines a slit between the first antenna radiator and the second antenna radiator; a second non-metal member that separates the first back portion and the second back portion, and defines a slit between the second antenna radiator and the ground; and a third non-metal member that separates the second back portion and the bottom side portion, and defines a slit between the ground and the third antenna radiator. a first non-metal member that separates the top portion and the first back portion, and defines a slit between the first antenna radiator and the second antenna radiator; a second non-metal member that separates the first back portion and the second back portion, and defines a slit between the second antenna radiator and the ground; and a third non-metal member that separates the second back portion and the bottom side portion, and defines a slit between the ground and the third antenna radiator.