Abstract: Various example embodiments of the present disclosure provide an electronic device including: a housing including a substantially circular opening and a first surface facing in a first direction; a wearing structure configured to enable the electronic device to be removably worn on a part of a human body and connected to the housing; a display disposed in the opening; an annulus installed on the first surface and configured to be rotatable along a periphery of the opining, the annulus including a second surface facing a second direction opposite the first direction; at least one spacer interposed between a part of the first surface and the second surface of the annulus; and a circuit configured to detect a rotation of the annular member and to change the display at least in part based on the rotation.

Abstract: Various example embodiments of the present disclosure provide an electronic device including: a housing including a substantially circular opening and a first surface facing in a first direction; a wearing structure configured to enable the electronic device to be removably worn on a part of a human body and connected to the housing; a display disposed in the opening; an annulus installed on the first surface and configured to be rotatable along a periphery of the opining, the annulus including a second surface facing a second direction opposite the first direction; at least one spacer interposed between a part of the first surface and the second surface of the annulus; and a circuit configured to detect a rotation of the annular member and to change the display at least in part based on the rotation.

Abstract: A locking device for a portable terminal includes a body; a battery cover; and a locking unit for allowing the battery cover to be selectively attached or detached from the bottom of the body, wherein a locked or locking-released position of the battery cover provided by the locking unit is located to be concealed within the interior of the body, so that the locked or locking-released position is not exposed to the outside.