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, personal digital assistants; Charging appliances for rechargeable equipment; Computer peripheral devices; Digital audio players; Electronic cables; Fiber optics; Fibre-optic cables; Plug adaptors; USB cables; Wireless computer peripherals