Apparatus for recording, transmission and reproduction of sound or images; electronic payment processing apparatus and apparatus for processing cashless payment transactions, namely, handheld computers, mobile computers, wrist computers, smartwatches and smartphones, all with integrated near field communication (NFC) chips for making contactless payments; computers, laptop computers, handheld computers, mobile computers, personal computers, wrist computers, smartwatches; telecommunication apparatus and instruments, namely, cell phones and mobile phones with advanced features of extended functionality and smartphones; apparatus for recording, transmission, reproduction of sound or images, particularly mobile telephones and new-generation mobile telephones with greater functionality, namely, smartphones; handheld electronic apparatus, namely, handheld computers, mobile phones and personal digital assistants for accessing the Internet and sending, receiving, recording and storing short messages, electronic messages, telephone calls, faxes, video-conferences, images, sounds, music, text and other digital data; handheld electronic apparatus, namely, handheld computers, mobile phones and personal digital assistants for wireless reception, storage and transmission of data or messages; handheld electronic apparatus for global positioning (GPS) and displaying maps and transport information; handheld electronic devices, namely, handheld computers, mobile phones and personal digital assistants for detection, storage, monitoring, surveillance and transmission of data relating to user activity, namely, position, itinerary, distance traveled, heart rate; optical apparatus and instruments, particularly spectacles, sunglasses, magnifying glasses; cases for spectacles, sunglasses and magnifying glasses