Protective films adapted for smartphones; battery chargers; electric batteries; mobile power source (rechargeable batteries); galvanic cells; covers for tablet computers; humanoid robots with artificial intelligence; covers for personal digital assistants; computer keyboards; mouse (computer peripheral); computer hardware; smart rings; wearable activity trackers; headphones; earphones; cameras (photography); virtual reality headsets; covers for smartphones; selfie sticks (hand-held monopods); microphones; data processing apparatus; computer memories; audio and video receivers; network communication apparatus; modems; loudspeakers; portable media players; sound transmitting apparatus; camcorders