Apparatus and devices for recording, transferring or reproducing sound and images; cameras, video cameras, televisions, videos, CD-DVD recorders and player devices, MP3 players, computers, desktop computers, tablet computers, wearable technological devices, namely smart watches, smart wristbands, smart rings, head-mounted cameras, microphones, speakers, headphones; apparatus for transmission of communications and for reproduction of sound or images and computer peripheral equipment; mobile phones and their cases, telephones, mobile phones, telephone switchboards, computer printers, scanners, copiers; magnetic, optical data carriers, computer programs and software recorded on data carriers; electronic publications downloadable via computer networks and recordable on magnetic and optical media; films, video and video music clips recorded on magnetic/optical readable cards and electronic media; instruments and apparatus for transmitting, receiving, broadcasting and storing audio, video and data in analogue and digital form; audio and video transceivers; audio equipment, augmented reality glasses, telephone chargers, electric cables, cases and covers for mobile phones, holders for mobile phones in the form of a hanger, holders for mobile phones; handles, holders, headphones, head-mounted headphones, cables for head-mounted headphones, head-mounted headphones for phones, microphones, head-mounted headphones for use with a computer, headphones, eyeglasses and headsets for virtual reality games; in-car mobile phone holders, in-ear-headphones, ear buds, speakers, walkie-talkies, microphones, audio amplifiers, USB adapters, USB cables, USB cards, memory sticks.

The service of educating members of the public how to operate sound and video equipment