This AC-powered system plays your iPod and charges its battery. It has a slide-type universal dock and adapter plates to hold your iPod securely. Designed to work with iPod Video 30GB/60GB/80GB, iPod nano 1st and 2nd generation, iPod Photo and iPod Mini. Can also be used with any MP3 player, CD player, computer or other audio device that has a 3.5mm output jack. 3.5mm auxiliary stereo input jack Power button with LED indicator 3D surround sound effect switch and LED indicator Audio output is 2 x 2.5 watts RMS