Sound equalizers sold as an integral component of amplifiers, audio headphones, audio mixers, audio splitter adapter plugs, audio speakers, computer cables, computer docking stations, computer screens, headphones, audio cables, audio jack cables, loud speakers, loudspeakers, headphones, microphones, ear buds, earphones and CD players, personal headphones for use with sound transmitting systems, smart watch bands, video cables, and wireless speakers

Three-dimensional models for educational purposes, for use as molecular models and as models for use in math, architecture and understanding 3-D concepts