Snap button connector

A snap button connector in which a male connector portion and a female connector portion are fitted with each other in a fitting direction,

• wherein the male connector portion includes:
• a male connector body having a first base portion and a convex portion projecting from a front surface of the first base portion in the fitting direction;
• a plurality of first electrodes arranged in a circumferential direction of the convex portion as being insulated from one another and each extending to a rear surface of the first base portion;
• and one or more positioning keys disposed on the front surface of the first base portion,
• wherein the female connector portion includes:
• a female connector body having a second base portion and a concave portion forming a recess in the fitting direction on a front surface of the second base portion;
• a plurality of second electrodes arranged in a circumferential direction of the concave portion as being insulated from one another and each extending to a rear surface of the second base portion;
• and one or more keys to be positioned disposed on the front surface of the second base portion, and
• wherein, when the male connector portion is fitted with the female connector portion, the convex portion and the positioning keys are fitted with the concave portion and the keys to be positioned, respectively, whereby the plurality of first electrodes are aligned with and electrically connected to the plurality of second electrodes.