The Creative N400 speakers offer an easy, plug-and-play USB notebook audio solution in a compact, portable design. Each satellite has two high-performance drivers that deliver rich audio playback with great acoustic balance. There?s convenient multimedia controls for quick access and easy control of your music. Plus, the X-Fi software suit lets you experience surround sound audio from your movies and games, as well as restoring the detail and clarity lost in compressed music files like MP3 or iTunes.