Bass speakers; Battery chargers for use with mobile phones; Building security systems comprising software and hardware for providing picture, video, alarm status, building plans, and other information to a remote station; 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; Cell phone battery chargers for use in vehicles; Central processing unit (CPU) coolers; Computer mice; Data cables; Earphones; Earphones and headphones; Electronic cables; GPS navigation device; GPS tracking devices; Internal cooling fans for computers; Keyboards; Keyboards for mobile phones; Microphones; Mobile telephones; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Mouse pads; MP3 players; Power adapters; Protective covers and cases for tablet computers; Protective covers for smartphones; Safety and driving assistant system for mobile vehicles and vessels comprised of electronic proximity sensors and switches, high-resolution cameras, integrated circuits for the purpose of imaging processing, and display monitors; Security and fire alarms; Smartphone mounts; Sound amplifiers; Sound cards; Speaker microphones; USB hubs; Virtual reality headsets; Wireless headsets for smartphones; Photographic projectors; Picture projectors; Slide projectors