Accessories for cell phones, tablets, and laptops, namely, battery chargers, electric cables, USB hubs, USB card readers, protective covers and cases for cell phones, laptops and tablet computers; keyboards; computer software emulator for gaming; home theater systems comprising DVD players, audio amplifiers, audio speakers, wireless USB video displays, ultra wide band video displays; computer hardware for accessing and controlling multiple computers or servers with a single keyboard, monitor and mouse, and for remotely accessing and controlling computers or servers; video signal splitters for electronic apparatus for use in displaying the output from a single computer or video equipment on multiple monitors; extension and expansion apparatus, namely, cable connectors for linking computers with keyboard, monitors and mice; computer hardware and computer peripherals for transmitting keyboard, monitor, mouse, audio and serial data signals over a distance; computer networking hardware, namely, hubs, switches, routers, Ethernet cards, Ethernet cables; electronic switches and controllers for managing and controlling computer peripherals; Cable connectors and computer network adapters for interconnecting computer hardware; computer hardware for data switching and data transfer; apparatus for use in selective equipment interconnection and data transfer in a computer network, namely, electronic switches for remote control of computer and servers via a computer network; Computer network adaptors, computer cable connectors; mounting rack for computer hardware; switches for a controlling a plurality of computers with a single keyboard, monitor and mouse; remote controls for computers; Signal splitter for electronic apparatus, namely, cable splitter; computer hardware for linking computers with peripherals, keyboards, video display monitors and mice; computer cable connectors and computer hardware for linking computers with peripherals, keyboards, video display monitors and mice; computer hardware, namely, display terminal, monitors; interface card for data processing equipment in the form of printed circuits; computer hardware and peripherals for transmitting keyboard, mouse and video signals between a local computer and a remote computer over a computer communication link; client/server computer console switching systems comprising computer hardware and software to connect servers; communication hubs; peripheral component interface (PCI) hardware; Blank advanced universal serial bus (USB) cards; computer switches to switch the output from a plurality of computers or video equipment; converters; distribution amplifiers for audio and video signals; electronic equipment, namely, transformers, baluns, cables used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; electronic switchers for audio and video signals; matrix switchers for audio and video signal; television and video converters; television transmitters; video multiplexers; video processor; video receivers; video transmission apparatus