iRiver T10 512 MB MP3 Player with FM Tuner Ultra-portable MP3 player with 512 MB internal memory and integrated FM tuner Stores up to 17 hours of music; supports MP3, WMA, and OGG music files PlaysForSure compatibility lets you access songs from most download services Enhanced SRS WOW 3-D audio function; records FM radio on hard drive Runs for 45 hours on AA battery; measures 3.4 x 1.6 x 1.2 inches (W x H x D); 1-year warranty