A capacitive stylus pen for a portable terminal includes a body portion formed of a synthetic resin material extending in a longitudinal direction; a sensing member provided in an inner side of the body portion to sense a current of a human's body; a transferring member formed of a conductive material and provided in an end of the body portion to be connected to the sensing member, and a manipulating member provided in an end of the transferring member, wherein the manipulating member is manufactured of conductive rubber and contacts a touch screen according to user's manipulation, and a Near Field Communication (NFC) is embedded in the body portion to perform wireless communication with the portable terminal, thereby configuring a wireless headset with the capacitive stylus pen.