Abstract: An electronic device of a charging module system may include a housing having a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a display device at least partially is exposed through the first surface to display information to the outside; a biometric sensor disposed to be exposed in at least an area of the second surface and sensing biometric information of a user; a battery disposed between the display device and the biometric sensor; and a plurality of electrodes disposed adjacent to the at least an area of the second surface and formed to be exposed in at least another area of the second surface, in which the plurality of electrodes may surround at least a portion of the biometric sensor, and each of the plurality of electrodes has a notch protruding or recessed at least at one end.

Abstract: An electronic device of a charging module system may include a housing having a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a display device at least partially is exposed through the first surface to display information to the outside; a biometric sensor disposed to be exposed in at least an area of the second surface and sensing biometric information of a user; a battery disposed between the display device and the biometric sensor; and a plurality of electrodes disposed adjacent to the at least an area of the second surface and formed to be exposed in at least another area of the second surface, in which the plurality of electrodes may surround at least a portion of the biometric sensor, and each of the plurality of electrodes has a notch protruding or recessed at least at one end.

Abstract: A wearable device according to an embodiment disclosed herein may include: a housing forming at least a part of an exterior of the wearable device; a battery disposed in the housing and including a positive electrode terminal and a negative electrode terminal; a connection terminal part, at least a part of which is exposed through at least a part of the housing and including a first terminal and a second terminal; a bridge circuit configured to, based on a polarity of a first voltage applied to the first terminal, electrically connect the first terminal to one of the positive electrode terminal and the negative electrode terminal having polarity corresponding to the polarity of the first voltage, and based on a polarity of a second voltage applied to the second terminal, electrically connect the second terminal to one of the positive electrode terminal and the negative electrode terminal having polarity corresponding to the polarity of the second voltage; a sensor module configured to obtain bio-information;

Abstract: A wearable device according to an embodiment disclosed herein may include: a housing forming at least a part of an exterior of the wearable device; a battery disposed in the housing and including a positive electrode terminal and a negative electrode terminal; a connection terminal part, at least a part of which is exposed through at least a part of the housing and including a first terminal and a second terminal; a bridge circuit configured to, based on a polarity of a first voltage applied to the first terminal, electrically connect the first terminal to one of the positive electrode terminal and the negative electrode terminal having polarity corresponding to the polarity of the first voltage, and based on a polarity of a second voltage applied to the second terminal, electrically connect the second terminal to one of the positive electrode terminal and the negative electrode terminal having polarity corresponding to the polarity of the second voltage; a sensor module configured to obtain bio-information;