Battery chargers; cell phones; switchboards; computer network adapters; computer network routers; computer network hubs; data cables; headphones; earphones; plugs, sockets and other contacts (electric connections); cameras (photography); electrical adapters; slide projectors; virtual reality headsets; chargers for electric batteries; electronic power supplies; computer operating programs, recorded; loudspeakers; smartwatches; smart rings; electronic access control systems for interlocking doors; computer game software; transponders; smartglasses; electronic numeric displays; usb cables; protective films adapted for smartphones; cases for smartphones; in-car telephone handset cradles; selfie sticks (hand-held monopods); mobile power (rechargeable battery); tripods for cameras