9 Hearing aid devices and communication devices, namely, sound reception, recording, processing, transmission, and reproduction devices in the nature of microphones, digital sound processors, sound recorders, earphones, stetoclip hearing aid listeners, loudspeakers, and headsets for use with computers, tablet computers, and cellular or mobile phones; apparatus for transmission of sound via wireless and wired communication networks between the aforementioned goods; viewing aid devices in the nature of digital photograph viewers; communication devices and augmented reality devices in the nature of microphones, earphones, and communication headsets for use in communication systems, namely, meeting and conference communication systems, virtual reality headsets, virtual reality glasses; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical adapters, electricity conduits, winding wires, electrical conductors, printed circuit boards, antennas, microcontrollers, electric sensors, electric actuators; apparatus for recording, transmission or reproduction of sound, namely, sound, ultrasound and infrared wave generating devices, apparatus for recording, transmission or reproduction of images, namely, liquid crystal display (LCD) monitors, plasma display panels, light emitting diode (LED) displays, organic light emitting diode (OLED) displays; calculating machines, data processing equipment, computers; software for signal processing, control of actuators, connecting to or setting up and configuring local and wide area networks