The Sony MZ-DN430 is a small, portable format for carrying your music and audio with you everywhere. Each MiniDisc can store 177MB of audio that you can hear as you travel. The SKip-Free G Protection lets you hear music without interruption, and the ATRAC and MP3 playback modes let you hear the music you have stored on your hard drive. The rugged, sleek Psyc(TM) design looks good and handles the bumps & scrapes of the urban jungle or suburban streets without messing up your music. MiniDisc media offers unlimited, expandable storage Transfer MP3s or CDs at up to 32X speed Earbuds & 1 MiniDisc included Music management software supplied Compatible with Connect Music Store Up to 56 hours continuous playback with 1 AA battery Color - Stereo Black