Screen 7" c-paper LCD screen, 800x480.16:10 CPU Rockchip2729 ,400MHZ, Memory 1-8GB optional. Voice recording ... Yes the main feature:Screen 7” TFT panel, 800x480.16:10 Ebook formats PDF, EPUB, FB2, TXT, MOBI, HTM, PDB, ... -on battery 2800mAh Power off time OFF, 3, 5, 10, 15, 20min Power life 6-8Hours Expansion slot TF card ... C-paper LCD screen ebook reader support MP3/MP4/Digital Photo frame/FM radio,