... High Definition Touch Screen + MP3,MP4,MP5 Player + E-Book Reader + Photo Viewer Specifications:1.7 inch Colorful TFT Touch Screen ... Setting:OFF,3M,5M,10M,15M,20MUSB 1:Data transmissionUSB 2:Data transmission or OTGOther:Zoom in,Rotate,PPT;JPG, ... change the backgroundDouble thread operation,Firmware upgrade, Timed power off, Key lock, Multi-track and Multi-substituteLanguage:English,French,Russia,Dutch ...