... available, 3,Built in lithium battery, 4,MP3 Player 5,Print logo,engraving logo . MP3 Player specifications : 1,Support Multi-languages 2 ... EQ(nature,Rock,POP,Classic sofe,Jazz DBB 4,Supports MP3/WMA/WAV formats 5,White backlight 6,Inside lithium battery ... continuously playing over 5 hours. 7,FM function(optional) if you want,pls add USD 1.0$ 8,Recorder,Telephone book ...