: Use a universal media player like VLC Media Player to ensure all codecs are supported.
The prefix is most commonly associated with the U.S. Environmental Protection Agency (EPA) and its "New Source Performance Standards," which regulate industrial air pollution. NSPS-576-ES.mp4
: Plug the 3.5mm mini-jack into your sound source and the USB cable into a 5V power supply or PC. : Use a universal media player like VLC