An electronic device (100, 300, 500) comprising: a housing (110, 301, 501) including a front plate, a rear plate facing away from the front plate, and a side member (118, 501b) surrounding a first space between the front plate and the rear plate; a display panel exposed to an exterior of the electronic device through the front plate and configured to detect a pen input using a magnetic field; a speaker structure disposed between the display panel and the rear plate, and including: a first surface facing the display panel, a second surface facing in a direction opposite the display panel, a side surface surrounding a second space between the first surface and the second surface, and a yoke facing the first surface; a first shield structure made of a ferromagnetic material and disposed on the first surface, the first shield structure being configured to reduce an affect of a magnetic force of the speaker structure on the display panel; a cooling member disposed between the display panel and the yoke of the speaker structure, the cooling member being made of a conductive material, and wherein the first shield structure is disposed between the cooling member and the yoke, wherein the cooling member is formed as a single body with a side member (118, 501b), the cooling member and the side member (118, 501b) being configured to discharge away heat that is generated from the speaker structure. a housing (110, 301, 501) including a front plate, a rear plate facing away from the front plate, and a side member (118, 501b) surrounding a first space between the front plate and the rear plate; a display panel exposed to an exterior of the electronic device through the front plate and configured to detect a pen input using a magnetic field; a speaker structure disposed between the display panel and the rear plate, and including: a first surface facing the display panel, a second surface facing in a direction opposite the display panel, a side surface surrounding a second space between the first surface and the second surface, and a yoke facing the first surface; a first shield structure made of a ferromagnetic material and disposed on the first surface, the first shield structure being configured to reduce an affect of a magnetic force of the speaker structure on the display panel; a cooling member disposed between the display panel and the yoke of the speaker structure, the cooling member being made of a conductive material, and wherein the first shield structure is disposed between the cooling member and the yoke, wherein the cooling member is formed as a single body with a side member (118, 501b), the cooling member and the side member (118, 501b) being configured to discharge away heat that is generated from the speaker structure. a first surface facing the display panel, a second surface facing in a direction opposite the display panel, a side surface surrounding a second space between the first surface and the second surface, and a yoke facing the first surface; a first shield structure made of a ferromagnetic material and disposed on the first surface, the first shield structure being configured to reduce an affect of a magnetic force of the speaker structure on the display panel; a cooling member disposed between the display panel and the yoke of the speaker structure, the cooling member being made of a conductive material, and wherein the first shield structure is disposed between the cooling member and the yoke, wherein the cooling member is formed as a single body with a side member (118, 501b), the cooling member and the side member (118, 501b) being configured to discharge away heat that is generated from the speaker structure.