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; Acoustic alarms; Adjustable magnetic mounts for PC tablets for mountain biking and videography; Adjustable magnetic mounts for smartphones for mountain biking and videography; Amplifiers for musical instruments; Anti-theft locks specially adapted to personal electronic devices, namely, laptops and PC tablet; Audio amp...