Assistive listening device for the hearing impaired; Hearing aids and structural parts therefor; Hearing aids; Supportive bandages; Ear plugs for swimming purposes; Red light therapy apparatus and instruments for use in treating arthritis, colds, pain; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments; Electrical stimulation apparatus for nerves, muscles, skin for physical therapy, rehabilitative and pain management purposes; Nasal devices utilizing light therapy to provide relief from colds, rhinitis, sinusitis; Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin