Features: 1.800x480: The E reader has a 7in HD color screen with a resolution of 800x480, and the graphic display is more delicate and clear 2.Large Memory: The E reader devices have 4GB/8GB/16GB storage for you to choose, and support maximum 16GB memory card expansion 3.Navigation Buttons: The black E reader has a mechanical navigation button, which supports the previous page and the following page 4.File Format: The color screen E reader supports for EPUB, PDF, TXT, FB2, PDB and other file formats to enjoy reading 5.Protective Cover: The 7in screen E reader is equipped with a protective cover for the reader, which protects the device in all directions and operates freely specification:Item Type: E Reader Material: ABS Colour: Black Operating System: uCOS Architecture: Arm 9 + for DSP Speed: 380 MHz Storage: 4GB/8GB/16GB (supports up to 16GB memory card expansion, the list does not include memory card) Screen: 7in TFT LCD 16:9 Resolution: 800x480 Functions: Clock, Bookmarks, Slideshow (Auto Flip), Music Slideshow, Zoom In/Zoom Out, Rotate Screen, Turn Pages DRM: Support for Adobe DRM File Formats: EPUB, PDF, TXT, FB2, PDB Voice Frequency Format: MP3, WMA, AAC, WAV, OGG Image Format: JPG, BMP, GIF, PNG Video Formats: MPEG1, MPEG2, MPEG4XVID, H.264, H.263, RM/RMVB, MKV, MOV, VOB, FLV Interface Type: 1 x Micro USB, 1 x 3.5mm, 1 x Memory Card Slot (the list does not include memory card) Battery Type: Built in 2100mAh Battery PackageList: 1 xE Reader 1 x Protective Case 1 x Protective Film 1 x Headphones 1 x Data Line 1 x User Manual NoteShipped with Built in Battery