Cameras; Headphones; Mechanical computer keyboards; Audio recorders; Batteries; Power switches; Cell phone cases; Document printers for use with computers; Computer display screens; Power strips; Protective helmets; Screen protectors made of tempered glass specially adapted for cell phones; Smartwatches; Microphones; Power adapters

Publication and editing, also via the Internet or via other electronic channels; education; teaching; training and courses; production, composing and performance of school radio and television; production, composing and performance of music and amusement programmes, also via radio, television and the Internet; organization of exhibitions and other events for educational, cultural, sporting and recreational purposes; publishing of software; providing educational information, online by means of...