Batteries; Earphones; Headphones; Blank flash memory cards; Cabinets for loudspeakers; Cell phone cases; Computer keypads; Computer mouse; Computer peripheral devices; Electrical plugs and sockets; Humanoid robots with artificial intelligence for use in scientific research; Lenses for cameras; Mouse pads; Power adapters; Protective films adapted for smartphones; Rechargeable electric batteries; Smartphone mounts; USB cables; Voltage stabilizing power supply