Hearing protection devices; hearing protectors without the ability to reproduce or transmit sound; protective earplugs for medical purposes; sound proofing instruments for medical use; hearing aids; ear inserts for medical use; earmoulds being parts of hearing aids; ear adaptors for hearing aids; ear plugs [hearing protection devices]; ear plugs for protection against noise; ear plugs for sleeping; ear plugs for musicians; devices for combatting noise and sound; hearing protectors; noise prot...