[Acoustic sound alarms; Alarm monitoring systems;] [ Apparatus for recording, transmission, processing and reproduction of sound, images or data; ] Audio cables; [Audio speakers; Audio-video receivers;] [Batteries; Battery chargers;] [ Burglar alarms; Cameras shutters; 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 devices, namely, cell phones, M...