9 Headphones; wireless headphones; wireless headsets; headphone-microphone combinations, namely, headphones incorporating microphones; noise cancelling headphones; headsets with microphone; wireless speakers; wireless indoor and outdoor speakers; wireless speakers with microphone; portable audio speakers; wireless speaker microphones; downloadable computer software for controlling the operation of audio and video devices; downloadable computer programs for use in telecommunications; downloadable computer software to enable teleconferencing services; computer peripherals; video cameras, namely, webcams and web camera; downloadable computer software for the transmission, recording, reproduction, display, organization, management, manipulation and review of messages, text, images, files, audio, video and audio-visual content for the facilitation of communications via global computer network