Bar code printers; Card readers for credit cards; Earphones; Electronic payment terminal; Headphones; Protective display screen covers adapted for use with smart phones, tablet computers and cell phones; Radio receivers; Radio transmitters; Voice over internet protocol (VOIP) phone adapter; Adapter plugs; Barcode scanners; Battery chargers; Cabinets for loudspeakers; Cases for smartphones; Covers for smartphones; Data processing apparatus; Decoder software; Electronic equipment for point-of-s...