Assistive listening device for the hearing impaired; Cochlear implants made from artificial materials; Digital hearing aids; Ear plugs for medical purposes; Ear plugs for soundproofing; Ear trumpets; Hearing aids; Hearing protectors without the ability to reproduce or transmit sound; Medical testing devices for measuring hearing loss in patients, namely, audiometers; Sound processors adapted for use with prosthetic hearing devices

Acoustic amplifiers; Assistive listening device not for medical purposes; Audio amplifiers; Batteries for use in hearing aids; Digital sound processors; Handheld electronic units for adjusting sound levels in hearing aids; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems; Sound amplifiers; Sound transmitting apparatus