Sound reproducing apparatus; audio speakers; earphones; headphones; microphones; voice recording apparatuses, namely, digital voice recorders; voice recognition apparatuses, namely, microphones for receiving voice data; radios, radio transmitters, and radio receivers; remote controls for controlling handheld digital electronic devices for use as a telephone, handheld computer, and audio and video player; wireless communication devices for voice or data transmission; and remote control apparatus, battery chargers, electronic connectors, data processing couplers, docks being power supplies, electrical and electronic docking stations, specially adapted cases, specially adapted cases for battery charging, interfaces for computers, telephones, mobile phones, and digital media players, power adapters and handheld or wearable digital electronic devices for recording, organizing, transmitting, manipulating and reviewing data and audio, all of the foregoing beginning with remote control apparatus, for use with sound reproducing apparatus, audio speakers, earphones, headphones, microphones, digital voice recorders, voice recognition microphones for receiving voice data, radios, radio transmitters, radio receivers, remote controls for controlling handheld digital electronic devices for use as a telephone, handheld computer, and audio and video player and wireless communication devices for voice or data transmission