Specification: Material: ABS Color: Black 16G, Grey 16G, Black 8G, Grey 8G, Black 4G (optional) Screen Size: 6 ink screen Display Effect: Black and white, resolution 1024 x 768, 16 grey, 300dpi CPU processor: E200 Cache: 256M Playback: support Built-in Storage: 4G/8G/16G Extended Storage: TF Card (up to 32GB) Main Function: Reading function Text Format: TXT, HTML, PDF, DPUB, DJVU, EPUB, TIFF, RTF, CBZ, CB, etc. Player: MP3, WAV. And other formats Image: JPG, BMP, GIF, PNG Refresh Mode: / Full Refresh Multi-language: support File Directory: support File Encryption: select support Firmware Upgrade: support (font zoom, font transform, bookmark, skip page, read aloud — evaluate customization) FM radio function, recording function System Common Tools: Clock, dictionary, calendar, calculator, comics. Interface: Micro USB2.0 Interface: 3.5 mm headset Battery Life: 1400mAh battery, about 7,500 page turning time, one month standby. Size: Approx. 175 * 120 * 8 mm / 6.9 * 4.7 * 0.3 in Weight: 445 g Package list: 1 * E-reader 1 * Pair of Headphones 1 * USB Cable 1 * Blue Case Cover