mp4 player specification :
1. screen: 2.8-inch / 3.0 QVGA screen (320 x 240 dots)
2. storage capacity: 8 GB (supports up to 4 GB MiniSD expansion card)
3. MP3/WMA support a variety of music formats
4. support playback MPEG-4 (AVI) video format
5. direct recording functions: MIC recording ;
6. game and FM : Supports
7. multi-task operation (with a personal stereo while watching the book)