Bar code scanners and credit card readers for tablets for point-of-sale, shipping and inventory use; bar code scanners and credit card readers for mobile and cellular phones, personal data assistants (PDAs) and handheld digital assistants for point-of-sale, shipping and inventory use; mobile bar code readers and mobile debit card pin pads for point-of-sale, shipping and inventory use; electronic devices for use in enterprise mobility, namely, barcode scanners and readers, magnetic coded card readers, RFID readers, credit card chip and PIN readers, namely, card readers for credit cards, near field communication (NFC) technology-enabled readers, and battery chargers to assist in managing the increasing array of mobile devices and wireless networks used by businesses for their mobile computing needs; and receipt and label printers