The user is able to express certain emotions to his partner. Each button corresponds to an emotion. As one press the button on one side, his or her partner on the other side will receive a set of sound. Some sounds are aggressive, angry, while some sounds are soft and soothing. Sound as an input to the sound receiver in the box, arouses cognitive activity that varies in different people. LED lights in the box are able to distract the sound receiver and attract his attention.