Batteries, electric; Battery chargers; Cabinets for loudspeakers; Cases for smartphones; Computer peripheral devices; Covers for smartphones; Covers for tablet computers; Data processing equipment, namely, couplers; Earphones and headphones; Keyboard covers; Loudspeakers; Microphones; Mouse pads; Protective films adapted for smartphones; Rechargeable batteries; Smartwatches; Blank USB flash drives; Carrying cases specially adapted for pocket calculators and cellphones