HARC

assistive listening devices for the hearing impaired, namely, visual door knock signalers, visual smoke alarm signalers, visual telephone ring signalers, and telephone amplifiers

hearing aids

assistive listening devices for the hearing impaired, namely, tactile/vibrating wake-up alarm signaler used in conjunction with clocks

mail order catalogues in the field of assistive listening devices and signaling devices for the hearing impaired

mail order services regarding assistive listening devices and signaling devices for the hearing impaired