Microphones; Switchboards; Webcams; Audio-video receivers; Computer network-attached storage (NAS) hardware; Loud speakers; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Portable video cameras with built-in videocassette recorders; Sound bars; Soundbar speakers; Video cassette recorders and players, compact disc players, digital audio tape recorders and players, electronic diaries