The RCD 510 touch-screen radio/MP3 compatible 6 CD autochanger features a large 6 1/2 inch colour display. The intuitive menu navigation and touch-screen operation lets you select your listening choice quickly and easily. The RCD 510 has 8* speakers for superb sound reproduction, an SD memory card slot and an AUX-in socket for fast and easy connection to an external multimedia source such as your iPod or MP3 player.