9 Optical apparatus and instruments, namely, eyeglasses, sunglasses, optical glasses, sunglasses frames; eyeglasses; sunglasses; eyeglass frames, eyeglass cases; cases and holders being stands all adapted for computers and tablet computers; protective covers and cases for smartphones; accessories for smartphones, namely, cases for smartphones, covers for smartphones, headphones and earphones for smartphones; laptops and smart PC tablets; smart phones; 3d spectacles; smart watches; smart headsets; smart glasses; digital electronic devices in the form of smart wearable activity trackers, smart glasses and smart rings; headphones and earphones; digital audio players; electronic communication devices and instruments, namely, mobile phones; data processing computer hardware; computers; downloadable computer game software; downloadable multimedia files containing artwork, text, audio, and video relating to writing instruments, perfumes, watches and leather bags authenticated by non-fungible tokens using blockchain-based software technology for use online and in virtual environments; downloadable image files featuring digital models of watches and watch parts in the nature of watch bands and watch dials, jewelry, handbags, backpacks, general purpose trolley bags, purses, wallets, leather key chains, leather pouches, keyrings, clothing belts, cuff links, spectacles, sunglasses, writing instruments, writing grips, writing brushes, stationery, perfume bottles, and of smart electronic devices in the nature of smart glasses, smart phones, and smart watches, in particular for use in product development, in product life cycle management, in production, manufacturing and 3D printing, in product data management, in visual effects and visual simulations of all types, in computer games and in downloadable software applications for mobile phones and tablets; downloadable video game software