Computers; mobile phones; computer software for telephone and video conferencing; computer software for streaming content; telecommunications software; computer software for controlling audiovisual equipment and electronic products; audiovisual system for use in telephone and video conferencing; audiovisual system and devices for use in telephone and video conferencing featuring speakers and microphones, and cameras; tablet computers, tablet monitors, electronic tablets; remote controls for audiovisual equipment, remote controllers, remote controllers for controlling electronic products, digital electronic controller; covers, cases, and protective films for tablet computers; stands adapted for tablet computers; audiovisual system and devices for use in telephone and video conferencing featuring speakers and electronic interactive whiteboard and microphones, and cameras; handheld portable audiovisual devices for use in telephone and video conferencing featuring speakers and touchscreen and microphones and cameras; USB device featuring cameras and microphones and speakers; USB operating software; electronic device featuring cameras and microphones and speakers for use in telephone and video conferencing; sensors and detectors; sensors and detectors for use in telephone and video conferencing; computer software for identifying participants in telephone and video conferencing; computer software for filtering background noise; and parts and fittings for the aforesaid.