9 Information technology devices for storing, retrieving and sending information; audio devices, namely, microphones, radio receivers, amplifiers, audio mixing consoles, electric and electronic effects units for musical instruments, headphones, audio speakers and audio circuit boards; visual devices, namely, visual monitoring apparatus, visual display units, and smart glasses; multimedia devices, namely, multimedia projectors, multimedia accelerator boards, high definition multimedia interface splitters and high definition multimedia interface adapters, multimedia multiplexers, multimedia terminals, multimedia players and multimedia connectors; audio/visual devices, namely, audio/video receivers and audio and visual headsets; audiovisual apparatus, namely, audiovisual receivers and headsets; audio devices, namely, multi room audio devices, namely, receivers, speakers, audio amplifiers and audio signal routers, audio receivers, and audio- and video-receivers; headphones; headphone amplifiers; stereo headphones; wireless headphones; headphone-microphone combinations; in-ear headphones; noise cancelling headphones; recorded and downloadable software; recorded and downloadable software for information technology devices, audio devices, and multimedia devices; recorded and downloadable software for processing images, graphics, audio, video and text; recorded and downloadable software for recording and transmission of sound; recorded and downloadable software for controlling and improving sound quality, namely, acoustics software; recorded and downloadable software for creating and editing sound; recorded and downloadable software for electronic signal amplification and signal transmission; recorded and downloadable software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images, and moving pictures; recorded and downloadable application software for headphones and wireless devices; recorded and downloadable application software for cloud computing services; acoustic membranes used in sound recording or reproducing apparatus; acoustic transformers