9 headphones; wireless headphones; ear buds; wireless ear buds; earphones; earphones for measuring and testing hearing; sound amplifiers; sound mixers with integrated amplifiers; sound projectors; sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; wireless speakers; wireless digital media streaming devices; electronic components, namely, biometric sensors for scientific use, proximity sensors, and power cell batteries; electronic apparatus with multimedia functions for use with all of the aforesaid goods, namely, multifunctional electronic devices for displaying, measuring, and transmitting biometric data; sensors for scientific use, for the purpose of gathering biometric data; hearing muffs, namely, sound amplifiers; and personal sound amplification products, namely, PSAPs being sound amplifiers for non-hearing impaired individuals; parts and fittings for hearing aids, namely, remote controls, batteries, and wireless digital media streaming devices