Data processing apparatus; Computer peripheral devices; Acoustic and optical couplers; Smartwatches; protective films adapted for computer screens; Carrying bags specially adapted for pocket calculators; Pedometers; Reflecting discs for wear, for the prevention of traffic accidents; Cell phone straps; covers for smartphones; cases for smartphones; protective films adapted for mobile phones; Stands for photographic apparatus; Speed indicators; Sheaths for electric cables; Cables, electric; Sun...