... promotional item 1,egg-shaped portable speaker2,Compatible with iPod,CD,PC,MP3/4,DVD3,3.5mm stereo ... portable speaker and no extra battery operated2.Compatible with iPod, CD, PC/Mac, MP3, MP4 and DVD ... players3.Input: iPod dock, 1/8 inches (3.5mm) mini stereo ... output: 2 x 2W (stereo)6.Best partner for iPod, iPod nano, mini, shuffle and video7.Supports PC and Notebook computer8 ...