The Logic3 i-Station Traveller is a miniature portable speaker system that delivers high quality sound from 2 speakers, with 6w RMS total power output. This travel speaker is compatible with most portable music devices such as iPods, 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 black and includes 4xAAA batteries.