... capacity goods, 2,Many color available, 3,Built in lithium battery, 4,MP3 Player 5,Print logo,engraving logo . MP3 Player specifications ... :1,Support Multi-languages2,Supports MP3/WMA/WAV formats3 ... of EQ(nature,Rock,POP,Classic sofe,Jazz DBB4,Supports MP3/WMA/WAV formats5,White backlight6,Inside lithium battery, support ...