A dual-axis rotation folder-type portable apparatus comprising: a main body having first and second regions (110,112) positioned on a top surface thereof; a folder adapted to rotate a first rotation angle about a first hinge axis, from a covering position in which it faces the main body, with its bottom surface, to an unfolded position, to rotate a second rotation angle about a second hinge axis, which is perpendicular to the first hinge axis, in such a manner that the top and bottom surfaces (201,202) of the folder are inverted in the unfolded position, and to rotate a third rotation angle about said first hinge axis from the unfolded position back to the covering position; and a hinge device for connecting the folder to the main body adapted to rotate the folder about the first and second hinge axes(A1, A2), characterized in that the folder is adapted to face and hide with its top surface, the first region after rotation about the third rotation angle while exposing the second region of the top surface of the main body, and wherein the top surface of the main body has a division line dividing the first and second regions (110,112), the division line linearly extends on the top surface of the main body along a longitudinal direction of the main body, characterised in that the hinge device comprises a fixed hinge arm formed on the main body and a rotational hinge arm positioned on an end of the top surface of the main body adjacent to the fixed hinge arm along the first hinge axis, A1, to connect the folder to the main body in such a manner that the folder can rotate about said first and second hinge axes while the first and second hinge axes extend through the folder, wherein the rotational hinge arm having a second speaker device positioned on an outer peripheral surface of the rotational hinge arm. a main body having first and second regions (110,112) positioned on a top surface thereof; a folder adapted to rotate a first rotation angle about a first hinge axis, from a covering position in which it faces the main body, with its bottom surface, to an unfolded position, to rotate a second rotation angle about a second hinge axis, which is perpendicular to the first hinge axis, in such a manner that the top and bottom surfaces (201,202) of the folder are inverted in the unfolded position, and to rotate a third rotation angle about said first hinge axis from the unfolded position back to the covering position; and a hinge device for connecting the folder to the main body adapted to rotate the folder about the first and second hinge axes(A1, A2), characterized in that the folder is adapted to face and hide with its top surface, the first region after rotation about the third rotation angle while exposing the second region of the top surface of the main body, and wherein the top surface of the main body has a division line dividing the first and second regions (110,112), the division line linearly extends on the top surface of the main body along a longitudinal direction of the main body, characterised in that the hinge device comprises a fixed hinge arm formed on the main body and a rotational hinge arm positioned on an end of the top surface of the main body adjacent to the fixed hinge arm along the first hinge axis, A1, to connect the folder to the main body in such a manner that the folder can rotate about said first and second hinge axes while the first and second hinge axes extend through the folder, wherein the rotational hinge arm having a second speaker device positioned on an outer peripheral surface of the rotational hinge arm.