... capacity goods, 2,Many color available, 3,Built in lithium battery, 4,MP3 Player 5,Print logo,engraving logo . MP3 ... WAV formats3,7 king of EQ(nature,Rock,POP,Classic sofe,Jazz DBB4,Supports MP3/WMA/WAV formats5,White backlight6,Inside lithium battery ... , support continuously playing over 5 hours.7,FM function(optional) if you ...