Earbuds; 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; Acoustic sound alarms; Adapter cables for headphones; Apparatus for recording, transmission or reproduction of sound and images; Baby monitors; Batteries and battery chargers; Climate control digital thermostats; Environmental monitoring system comprised of meters and sensors that measure pressu...