Classification Information
Headphones; Loudspeakers; Cabinets for loudspeakers; Downloadable computer programs for use in teaching children to read; Earphones and headphones; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Headsets for telephones; Horns for loudspeakers; Loud speaker systems; Portable media players; Soundbar speakers; Teaching robots
Electrical and Scientific Apparatus