... sd card 4.function:music,video,ebook,FM,etc. mp4 player with TF slot1.1.8"screen mp42.built in memory3.support micro ... :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 ... - It is also a digital voice recorder, E-book and game device - Built-in rechargeable Li-battery, to charge battery via ...