Philips SBC BA130/ is a sophisticated mini stereo loudspeaker set that gives you the opportunity to share your favorite music with your friends. With its built-in 6 Watt amplifier and easily portable design, you can enjoy your music anywhere you go. The trackball volume control and dynamic bass boost (DBB) feature allow you to customize your listening experience, while the battery or mains operated design gives you the flexibility to use it wherever you are.