Batteries, commutators and connection intensifiers for hearing aids; transducers with or without amplifiers for converting acoustic signals into electrical and/or optical signals and parts thereof; electrical aids for the hearing impaired, namely audio connections and separate microphones.

Hearing aids; hearing aids and parts and accessories therefore, including receivers, strings, hoses; electro medical instruments, in particular measuring instruments for for the hearing impaired, as far as included in this class; noise protection devices in the form of plastic or fitted ear inserts, as far as included in this class; ear adaptors for hearing aids including otoplastic.