Apparatus for recording, transmission and reproduction of sound and images; audio and video devices, namely, CD, DVD and MP3 players; wired and wireless headphones and earphones; wire and wireless devices used to receive audio content, namely, ear buds; wearable communication devices for ears, namely, ear buds; electronic equipment for measuring and sensing altitude, distance, acceleration rates, and speed, namely, distance measuring apparatus, automatic altitude indicators, laser speed detec...