Eye-protection display: Equipped with a 7-inch color screen, it provides a high-resolution, glare-free reading experience, which is perfect for long reading without eye fatigue. Adjustable brightness: Enjoy reading in any lighting conditions (including in complete darkness), and the adjustable design allows you to customize the brightness and color temperature for a comfortable reading experience. Multiple format support: This e-reader supports 25 popular formats, including EPUB, PDF, and JPEG, eliminating the hassle of file conversion and providing easy access to a variety of books and documents. Large storage capacity: With 4GB built-in memory and expandable up to 128GB via memory card (without memory card), you can carry thousands of books. Seamless connection: You can skip pages and add bookmark functions. No need to reread. Read directly to your recently added bookmarked page. Built-in 2100mAh rechargeable battery. Random Access Memory:512M Size:175 * 126 * 11mm This e-reader is designed for avid readers, providing a comfortable and versatile reading experience. With its eye-protection display and adjustable brightness, you can read for hours without straining your eyes. The device supports multiple formats, ensuring you have access to a wide range of books and documents. Its large storage capacity allows you to carry thousands of titles, while the seamless connection features enhance your reading experience. Color: Black Material: ABS+LCD Specification: 4G Package Contents: 1*Ebook Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.