Electronic pens; light pens; magnetic pens; electronic pen for smart phone; MP4 players; audio/video receiver for MP3 players; MP3 players; optical readers; downloadable and recorded software for optical character recognition; electronic publications, namely, downloadable books, magazine and brochures in the fields of education for foreign language; digital media streaming devices; audio speakers; audiovisual teaching apparatus, namely, apparatus for recording, transmission and reproduction o...