Electric, electronic and optical measuring, signaling, regulating apparatus and instruments, in particular electric apparatus and instruments for electroacoustics, namely, electric apparatus for wireless transmission of acoustic information and structural replacement parts thereof; apparatus and instruments for recording, transmission and reproduction of audio signals, namely, audio transmitter units, audio recorders and structural replacement parts thereof, apparatus for recording and reproducing electrical signals, in particular sound signals, namely, sound recording and sound reproducing apparatus; apparatus for the wireless transmission of audio information; apparatus for transmission and reception of sound or video signals, in particular, high-frequency sound transmission apparatus and sound transmission apparatus featuring sound transmission technology; apparatus for transmission of sound, namely, bodypack transmitters and receivers, in particular, bodypack transmitters and receivers in the UHF and VHF range, and structural replacement parts therefor; diversity receiver for telephone audio, video; earbuds; antennas; apparatus for narrowband and broadband systems featuring sound transmission technology, namely, microphone transmitters; transmitters, in particular multi-channel radio microphone transmitters, single-channel radio microphone transmitters, infrared and multichannel transmitters, RF transmitters being radio frequency transmitters; receivers, in particular, multi-channel, single-channel and two-channel audio receivers, infrared receivers and HF receivers being high radio frequency receivers, headphone audio receivers, chin-strap audio receivers and structural replacement parts therefor; apparatus for sound transmission and playback apparatus in the nature of electric audio playback units; headsets for mobile telephones, virtual reality games and intercoms; conference systems comprised of conference phones, telephone intercoms, microphone table units; apparatus for analog and digital transmission of audio and video and data signals; software for conference systems for controlling, tuning and regulating of conferences; software recorded on CD-ROMs, DVDs, hard disks, floppy disks and volatile and non-volatile memories and downloadable for monitoring and controlling conferences; apparatus and instruments of conference and telecommunications technology, namely, electric wires for telecommunication, computer hardware for communications, computer telephony software; microphones, in particular, dynamic microphones, condenser microphones, electret microphones, headband microphones, gooseneck microphones, shotgun microphones, wireless microphones, clip-on microphones, microphones with integrated transmitters, in particular condenser microphones with built-in radio frequency transmitters, microphone modules, pressure microphones, switchable microphones, microphone capsules and structural replacement parts therefor; microphone signal splitters; microphone cases being protective cases for microphones; electroacoustic transducers; electroacoustic transducers, in particular, headphones, dynamic headphones, electrostatic headphones, wireless headphones, headphones for use in vehicles and aircraft, in particular, with infrared or radio frequency transmission, headphones with active noise compensation, loudspeakers, including wireless loudspeakers; structural replacement parts for the electro-acoustic transducers and headphones, namely, ear pads, volume controls, amplifiers, battery plugs, plug-in battery chargers, earphone cables; electroacoustic and visual, identifiable guidance systems also multilingual, consisting of audio transmitter and receiver, in particular, sound signal receiver and headphones; computer software applications for controlling sound recording and playback devices; computer software applications for recording and playing sound

Audio communications services, namely, transmission of audio by telecommunication networks, wireless communication networks, and the Internet; audio teleconferencing; audiovisual communications services, namely, transmitting audiovisual recordings via the Internet; consultancy services in the field of data communications; providing access to databases on computer networks and the Internet; computerized telephony communication services; electronic data transmission services; wireless electronic transmission of images, data and audio signals; network conferencing services; electronic communications and telecommunications services, namely, communication by electronic computer terminals; electronic transmission of information, data, advertisements, music, films, radio broadcasts, television broadcasts via the Internet; video communication services, namely, transmission of video by telecommunication networks, wireless communication networks, and the Internet; providing video conferencing services

Audio and video recording services; training in the field of audio and video technology; providing music entertainment information; consultancy in the field of film and music production; providing on-line, non-downloadable music via the Internet; providing interactive entertainment, namely, providing temporary use of non-downloadable interactive games; providing online, non-downloadable videos featuring music; music hall services; presentation of music performances; music library services; arranging and conducting of seminars in the field of music; services of a sound and television studio, namely, sound recording studios, television program production studios; operation of sound recording and television program production studios; rental of radio and television sets; rental of sound equipment, namely, sound recording apparatus and sound reproducing apparatus