RCA Lyra 64 MB MP3 Player 64 MB built-in memory stores up to 2 hours of mp3PRO encoded music MP3 and WMA playback, and mp3PRO ready External SC/MMC slot for expandable memory 2-line LCD display Comes with a sports armband, e.clipz headphones, USB cable, CD-ROM music management software, and 1 AAA alkaline battery