3D spectacles; Bar code printers; Bar code readers; Batteries, electric; Cabinets for loudspeakers; Cases for smartphones; Chargers for electric batteries; Earphones; Electric cables; Electronic tags for goods; Hand scanner; Print heads for document printers and plotters; Protective films adapted for smartphones; Radio-frequency identification (RFID) tags; Smart watches; Smartglasses; Smartphone mounts; Sunglasses; Video screens; Webcams; Mobile computers