A portable electronic device for reducing periodic cramping about an abdominal cavity of a user during a menstrual cycle includes an elastic panty garment, a controller removably attached directly to an outer surface of the panty garment and a plurality of electro-mechanical transducers generating output vibrations, and a plurality of heatable magnetic straps directly coupled to the outer surface of the panty garment. The heatable magnetic straps extend along anterior and posterior faces of the panty garment and are simultaneously actuated to a desired temperature level while the transducers are actuated to an on position. The heatable magnetic straps being freely movable along the outer surface of the panty garment while the transducers are nested within respective pouches.