earphones, parts and accessories thereof, headphones, parts and accessories thereof; headphones; earphones and ear monitors with ambient sound management features; insert earphones; in-ear earphones; custom fit earphones; universal fit earphones; high-performance earphones; in-ear monitors, not for medical purposes; ear monitors; in-ear headphones; insert headphones; ear buds; wireless ear buds; ear tips; foam tips for ear buds, ear phones and ear monitors; silicone tips for ear buds, ear phones and ear monitors; earpieces; ear pads for headphones; telecommunication cables; audio cables; wireless headphone cables; chargers for telecommunication and audio cables; audio filters; protective cases for audio equipment and accessories; ear molds; headsets; handheld electronic units for adjusting sound levels in ear monitors; batteries and chargers for use in ear monitors, earphones, ear buds, headphones and headsets

ear molds; custom-fit ear molds; earpieces; custom-fit earpieces; ear mold material; ear impression material; hearing aid acoustic coupler; hearing instrument acoustic coupler; ear tubes; ear tubing and vent plugs; ear filters for hearing protection; greaseless lubricant which eases the insertion of custom-made ear products into the ear canal; custom-fit ear plugs used for hearing aids; ear plugs used for hearing aids; custom-fit ear plugs used for protection of hearing; ear plugs used for protection of hearing; hearing aids; digital hearing aids; electric hearing aids; electrical hearing aids; hearing aids for the deaf; cast material for hearing aids; molds for hearing aids; electrically-operated hearing aids; wireless transmitters and receivers for use with hearing aids; sound processors adapted for use with prosthetic hearing devices; assistive listening device for the hearing impaired; hearing aid cleaners; hearing aid dryers; medical supplies used in the practice of audiology; medical tools used in the practice of audiology; teaching tools and apparatus in the practice of audiology; medical testing devices for measuring hearing loss in patients, namely, audiometers; medical hearing instruments and parts of such devices; parts of acoustic apparatus for the hearing-impaired, namely, cerumen protection and cleaning systems; hearing protectors without the ability to reproduce or transmit sound; noise filters used for noise reduction in ear plugs; in-ear monitors for recreational and medical purposes; ear plugs for medical purposes; custom-fit ear plugs for recreational purposes; ear plugs for recreational purposes; custom-fit ear plugs for noise reduction; ear plugs for noise reduction; ear plugs for soundproofing; hearing aid accessories, namely, vacuum pumps for medical purposes and parts and accessories therefor; otoscopes; earscopes; specula; stethoscopes