The Logic3 i-Station Traveller is a miniture portable speaker system that delivers high quality sound from two speakers, with a 6w (RMS) total power output. This i-Station Traveller is compatible with most portable music devices such as iPod's, MP3 players, CD players & mobile phones. You can connect your device via the 3.5-2.5mm adaptor and listen to your music via the i-Station's 2 dynamic speakers. The Logic3 i-Station Traveller comes in a silver finish and includes 4xAAA batteries.