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, MP4 players, personal digital assistants, global positioning system (GPS), tablet computers, electronic book readers, laptops, digital music and movie players; Audio Speakers; Earphones and headphones; Loudspeakers, headphones, microphones and CD players; Mu...