Computer peripheral devices; Couplers in the nature of data processing equipment, namely, couplers, optical couplers; acoustic couplers; Electronic pens; Computer application programs for playing games; blank USB flash drives; Bags adapted for laptops; Sleeves for laptops; protective films adapted for computer screens; covers for smartphones; cases for smartphones; protective films adapted for mobile phones computer screens; Cabinets for loudspeakers; Headphones; Earphones; Electrical plugs, ...