Antennas; Batteries; Cameras; Bar code printers; Bar code readers; Barcode scanner; Battery chargers; Biometric scanners; Chargers for smartphones; Computers and computer peripherals; Data cables; Document printers; Filters for radio interference suppression; Hand scanner; Power adapters; Radio-frequency identification (RFID) readers; Radio frequency identification (RFID) tags; Thermal printers; Wireless chargers; Wireless portable document printers for use with laptops and mobile devices