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Portable audio systems are electronic devices designed to play sound from various sources while being easily transportable. These systems typically include speakers, amplifiers, and sometimes a built-in radio or Bluetooth connectivity for streaming music from smartphones or other devices. Portable audio systems come in a variety of sizes and styles, from compact Bluetooth speakers to larger boomboxes with built-in CD players. They are commonly used for listening to music on the go, at outdoor gatherings, or in spaces where a traditional stereo system may not be practical.