Hearing apparatus, hearing protectors and hearing aids; tinnitus maskers and devices for treating tinnitus; neuromodulation treatments, apparatus, and instruments; audiometry apparatus; medical and surgical apparatus and instruments for the diagnosis and treatment of audiological problems and disorders, deafness or tinnitus, or for use in otorhinolaryngology; ear picks and ear plugs, tinnitus maskers and tinnitus noisers, and hi-fi equipment for hearing aids; parts and fittings for the aforesaid.