Wireless communication devices for the transmission of voice, data, and audio content; sound reproducing apparatus; audio speakers; earphones; headphones; microphones; digital audio players; 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; cases for earphones and headphones; remote control apparatus, battery chargers, electronic connectors, couplers, battery chargers, docks being power supplies, electrical and electronic docking stations, specially adapted cases, specially adapted cases for battery charging, interfaces for computers, handheld or wearable digital electronic devices, telephones, mobile phones, and digital media players, and electrical, electronic, and power adapters for use with all of the aforesaid goods