Abdominal belts containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and built-in pockets in which to carry audio transmitters; Access control and alarm monitoring systems; Adjustable smartphone and PC tablet stabilizers and mounts; Alarm installations and alarms; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Downloadable smartphone software for heart rate monitoring; Smart watches; Smart cameras;...