... in memory 3.support micro sd card 4.function:music,video,ebook,FM,etc. mp4 player with TF slot1.1.8"screen mp42. ... music,video,ebook,FM,etc. screen mp4 player with TF card slot Feature Features and Desriptions:screen mp4 player with TF card slot Unit size: 86.3x40.2x10 ... .no built in memory,need insert micro sd card. - Support MP3, WMA,WMV music format (Synchronously lyric display) - Support AVI, AMV ...