Baby monitors; Cabinets for loudspeakers; Chargers for electric batteries; Computer hardware; Computer keyboards; Computer memory devices; Computer peripheral devices; Computers; Data processing apparatus; Data processing equipment, namely, couplers; Electronic book readers; Global positioning system (GPS) apparatus; Headphones; Horns for loudspeakers; Interfaces for computers; Megaphones; Microphones; Monitoring devices for monitoring battery performance characteristics; Mouse pads; Phonogra...