Feature: 1. Ink Screen: Using high definition ink screen technology, the display effect is as comfortable as a paper book, allowing you to focus on reading. The ink screen itself does not emit light, which keeps you away from blue light and protects eye health. 2. High Definition: 6in 800 x 600 high resolution screen, the graphic display is more delicate and clear. Low power consumption ink screen, long battery life, no need to charge frequently, enjoy uninterrupted reading. 3. Memory: Built in 4GB/8GB/16GB storage for your choice, and supports up to 32GB memory card expansion to meet your various needs for storage space. 4. Multi Function Navigation Keys: Rich multi function navigation mechanical keys, support the previous page, the next page, the operation is more convenient. Equipped with a protective cover for the reader to protect the safety of the device in all directions, allowing you to operate freely and use it more assuredly. 5. Support A Variety Of File Formats: TXT, DOC, PDF, FB2, HTML, PDB, EPUB, MOBI, RTF, etc., enjoy reading. Specification: Item Type: E Reader Material: ABS Model: BK6006 Colour: Black Operating System: For Windows Processor: E200 RAM: 512MB Storage: 4GB/8GB/16GB (Support Up To 32GB Memory Card Expansion, The List Does Not Include Memory Card) Screen: 6in Resolution: 800 x 600 DRM: Support For Adobe DRM Functions: Zoom Function, Bookmarks, FM, Music Playback, Etc. File Format: TXT, DOC, PDF, FB2, HTML, PDB, EPUB, MOBI, RTF Image Format: JPG, BMP, PNG, GIF Interface Type: Micro USB x 1, 3.5mm x 1, TF Card Slot x 1 (TF Card Not Included) Battery Type: Built in 2500mAh Polymer Battery. Package List: 1 x Reader1 x Protective Case1 x Protective Film1 x Headphone1 x Data Cable1 x English User Manual Note: The ink screen pays more attention to eye protection, and the screen refresh rate is lower than that of the LCD screen or other screens, and the screen sometimes has a slight afterimage (this is a normal appearance of the ink screen). You can press the M setting key in the text reading mode to adjust the refresh setting to 1 can be solved.