... -book 2.support TF card 3.usb port 2.0 digital e-book readerDisplay * Screen: 5 inch E-ink Panel Display ... continuous page turns on a single charge. Supporting Formats: * Documents: .pdf, .txt, .epub, .html, .chm, .fb2, .pdb, .rtf, Adobe DRM files ... , music playing, animation viewing, FM radio * Coming Features: G-Sensor, Digital recording, Text to Speech