Hearing aids, hearing aid batteries, hearing aid covers; signal processing chips, sound processing chips; headsets for the hearing impaired, electronic devices for the hearing impaired, sound processing systems for the hearing impaired, telecommunications devices for the hearing impaired; software for use in the field of audiology; software for use in the field of sound processing; medical devices for testing hearing, medical devices for fitting hearing aids, cochlear implants, retail services via the Internet, mail order and in-store, in the field of electronic devices and hearing aids for the hearing impaired; audiological services; hearing aid fitting services; consulting services in the field of audiological services and fitting hearing aids; information services in the field of audiology and hearing aids
Medical Apparatus