Audio amplifiers; Amplifiers; Audiovisual teaching apparatus, namely, slide or photograph projection apparatus; Battery chargers; Photovoltaic cells; Blank USB flash drives; Cinematographic apparatus; Cell phone straps; Integrated circuits; Computer memory hardware; Computer programs, namely, downloadable computer software for recording audio and video; Peripherals adapted for use with computers; Headphones; Apparatus for processing information, namely, central processing units and data processors; Dictating machines; Disk drives; Computer operating programs, recorded; Radio transmitters; Transmitters of electronic-signals; Downloadable music files; High-frequency apparatus, namely, switches, converters, and meters; Anti-theft warning apparatus; Teaching apparatus, namely, electronic training simulators; Inter communication transmission apparatus; Interfaces for computers; Optical readers; Portable media players; Microphones; Time switches, automatic; Distance measuring devices, electric; Pressure measuring apparatus; Pressure indicators; Apparatus for recording sound; Time recording apparatus; Blank magnetic data carriers, namely, sound recording carriers; Apparatus for the reproduction of sound; Recorded computer programs for reproducing sound; Probes for scientific purposes for measuring pressure and distance; Sound locating instruments for measuring distance and direction; Protective helmets for sports; Goggles for sports; protective work gloves and masks; Teaching apparatus, namely, resuscitation mannequins; Diving suits; Apparatus for the transmission of sound; Hands-free devices for mobile phones; Transmitters for telecommunications