Fluorescent screens; video screens; touch screens; battery chargers; batteries, electric; portable power supplies [rechargeable batteries]; galvanic cells; interactive touch screen terminals; electronic interactive whiteboards; humanoid robots with artificial intelligence; smartglasses; smartwatches; smart rings; smartphones; wearable activity trackers; headsets; cameras [photography]; virtual reality headsets; covers for smartphones; selfie sticks [hand-held monopods]; digital photo frames; microphones; data processing apparatus; computer memory devices; audio- and video-receivers; modems; loudspeakers; portable media players; sound transmitting apparatus; camcorders; network communication apparatus.