... 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 formats3,7 king of EQ ... (nature,Rock,POP,Classic sofe,Jazz DBB4,Supports MP3/WMA/WAV formats5,White backlight6,Inside lithium battery, support ...