In-ear monitors not for medical purposes; MP4 players; amplifiers; cases for MP3 players; extension cords; adapter cables for headphones; audio receivers

Computers; laptop computers; pedometers; data communications servers; tape recorders; loudspeakers; blank magnetic sound recording carriers; audio- and video-receivers; sound transmitting apparatus; sound recording apparatus; sound reproduction apparatus; acoustic couplers; portable media players; headphones; in-ear headphones; cinematographic cameras; audiovisual receivers for use by teachers; stereoscopes; coaxial cables; eyeglasses