Electronic communication devices, particularly for use in noisy areas and potentially explosive atmospheres, namely hearing and speech systems consisting of microphones and earphones/headphones, also for wearing under protective helmets, masks and protective suits, for oil drilling platforms, refineries, police, fire brigades, rescue services, army, navy as well as for pilots and the handling of commercial aircraft; hearing and speaking systems consisting of microphones and earphones/headphones with a push-to-talk button and/or electronic voice control for analogue and digital radio devices, hearing and speaking systems consisting of the aforementioned devices for wired and non-wired intercom devices, mobile digital radio devices and radio receivers, mobile digital radio networks and terminals, video cameras, analogue and digital video radio systems; electrical connectors; electrical connection adapters; electrical connection sockets; junction boxes [electrical]; connection parts [electrical]; components for electrical circuits; couplings, electric; connector [electrical]; plug [electrical]; electric cables and conductors; communication devices; information technology, audiovisual, multimedia and photographic equipment; connectors for telecommunications apparatus; wireless communication devices; wireless transmitters and receivers; electrical communication devices; devices for wireless radio transmission; equipment for processing telecommunications signals; wireless communication devices for transmitting sound, data or images; communication networks; mobile radio transmitters.

Hearing protectors; earplugs for noise protection.