4gb mp4 player (A1803)

-2.0 high resolution TFT screen, USB 2.0,FM radio
-Real MPEG-4 AVI video play with less storage space
-True audio frequency display function
-Read E-book while listening music or playing game
-LINE-IN function, support multi-sources transformation
-Synchronized lyric display 
-Built-in MIC, long time record/ high quality record,
-setup forconvenient use Firmware upgrade available
-Support MINI SD card for memory expansion
-Support MINI SD card the maximum is 2GB