Features: 7 inch screen size allows you to hold it with one hand, easy to carry, you can enjoy comfortable reading anytime and anywhere. It features low power consumption, high resolution and adjustable brightness to show the contents clearly, and gives you very nice reading experience. You can set a time span for your eReader to auto paging up while reading. The TF card slot allows to insert the TF card, makes you enjoy more reading funs and delivers smooth reading. Built-in 2100mAh large capacity lithium battery, long endurance time. Specification: Memory: 8GB/16GB(optional) Display: 7 inch electronic paper, 16 grey scale Resolution: 800*480 Interfaces: Micro USB, TF card slot G-Sensor: Support Supported E-book format: TXT, PDF, PDB, EPUB, FB2 Supported picture format: JPG, GIF, BMP, PNG Battery capacity: 2100mAh OS compatibility: Windows 7, XP, Vista and Mac OS 10.0 and above Item size: 17.5 * 12.7 * 0.8cm /6.89 * 4.96 * 0.43in Item weight: Approx. 230g /8.11oz Packing list: 1 * E-book 1 * Protective case 1 * Screen film 1 * Earphone 1 * USB cable 1 * User manual