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, MP3 players and personal digital assistants.; Digital audio players; Electronic control gears (ECGs) for LED lamps and light fixtures; Loudspeaker cabinets; Navigation apparatus for vehicles in the nature of on-board computers; Personal stereos; Portable audio players; P...