Feature: 1. Large Touchscreen: The 6" e-ink screen is suitable for a variety of content, including fiction, books, comics, and professional literature. The large screen displays more text allowing you to adjust the font size accordingly. 2. Highly User-Friendly Design: The large control buttons provide a comfortable and effortless way to navigate, making the PDF reader simple and easy to use. With a memory card slot, you can easily expand the capacity. 3. Broad Compatibility: Supported formats: PDF, TXT, DOC, FB2, EPUB, PRC, MOBI, etc. Open a wide kinds of books, documents, and images without wasting time converting files and enjoy unprecedented liberation of choice. 4. Enriched Function: With more practical features, you can highlight and annotate text, high-clear camera, search for definitions, and even listen to audiobooks. These extra functions make reading more interactive and enjoyable. 5. Portable Reader: An e-book reader allows you to carry thousands of books in one compact device. Whether you're commuting, traveling, or simply lounging at home, you can easily access your entire library at your fingertips. Specification: Type: A: with front light, B: without front light (Optional) Capacity: 4G, 8G, 16G (Optional) Color: Black Memory: 512MB (RAM) Battery: 2500mAh Usage Time: 10-13 hours Screen: 4-Inch, 800*600 resolution, E-ink screen Support Format: PDF/TXT/DOC/FB2/EPUB/RTF/PRC/MOBI Supported Systems: Windows 7/8/10/11 ME/XP/Vista/MacOS X/Linux Item Size: 16.2 * 11 * 0.7cm/6.34 * 4.33 * 0.28in Item Weight: 172g/6.07oz Package Size: 23.8 * 15.4 * 2.9cm/9.37 * 6.06 * 1.14in Package Weight: 441g/15.56oz Package List: 1*E-Book Reader 1*Screen Protector 1*Charging Cable 1*Protective Case 1*User Manual