Data processing apparatus; Computer programs, recorded; Computer keyboards; Computer peripheral devices; Mouse (computer peripherals); Mouse pads; Wrist rests for use with computers; Sleeves for laptops; Devices for the projection of virtual keyboards; Stands adapted for laptops; Cases adapted for computers; Computer mouses; Cabinets for loudspeakers; Loudspeakers; Microphones; Headphones; Anti-dust headsets; Virtual reality headsets; Material for electricity mains (wires, cables); Rechargeable batteries