128-Megabytes</br>USB 1.1 (Plug and Play)</br>Uses one AAA battery</br>1.53 x 3.39 x .52 inches</br></br>Product Description</br></br>Audio system built-in display LCD. Digital player supported digital audio standards MP3?? WMA. Digital player playback modes A-B repeat?? Intro scan?? Random play?? Program repeat?? One track repeat?? All tracks repeat</br><br/>http://www.amazon.com/gp/product/B000E925H8