Creative Labs NOMAD Jukebox 10 GB MP3 Player Portable digital audio player with 10 GB of built-in storage (over 160 hours of CD-quality music) Supports MP3, WMA, and WAV files; firmware upgradeable USB interface for fast digital transfer; compatible with Windows and Mac Weighs only 14 ounces and measures the size of a portable CD player Comes with headphones, 1 set of rechargeable batteries, and AC adapter