... TF card 3.usb port 2.0 digital e-book readerDisplay * Screen: 5 inch E-ink Panel Display * Resolution: 600 * 800 Pixels ... Standby time, supports over 11,000 continuous page turns on a single charge. Supporting Formats: * Documents: .pdf, .txt, .epub, .html, .chm ... , .wav, .ogg * Image: .jpg, .bmp, .gif, .png Others * Audio: 2.5 mm stereo audio jack * Connectivity: USB 2.0 * Current Features ...