Earphones; Loudspeakers; 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; Audio speaker enclosures; Audio transmitter units; Baby monitors; Batteries and battery chargers; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic ...