Pens; Blackboard erasers; Blackboards; Ink for pens; Magnetic boards being office requisites; Marker pens; Whiteboard pens

Data processing apparatus; Computer peripheral devices; blank USB flash drives; Computers; Tablet computers; optical Couplers; cell phones; Transparency Projection screens; Earphone; Projection apparatus; Loudspeakers; Plugs, sockets and other contacts in the nature of electric connections; tripods for cameras; Television apparatus for projection purposes; virtual reality headsets; televisions and monitors; multimedia projectors; set-top boxes