... ,4G,8G,16G for option Description: 1,OLED color display, support MP3, WMA, music files and so on; 2,FM stereo ... pre-set automatic search function; (optional) 3,digital audio / repetition through a microphone recording and preservation of ACT and WAV format ... repeat fragment repetition contrast, the true digital repeat function to support the text in multiple languages; 5,AB repeat function, 7 ...