Acoustic amplifiers for mobile devices; Batteries and battery chargers; Calculating machines and data processing equipment; Computer hardware and peripheral devices; Computer memory devices; Ear phones; Electric connectors; Electronic writing tablets; LCD projectors; Megaphones; Microphones; MP3 players; Pedometers; Portable media players; Satellite navigational system, namely, a global positioning system (GPS); Tape recorders and players; Wireless chargers