E-BOOK READER POCKETBOOK 480 X 800 HD Waterproof design for effective splash protection. Cannot be submerged in water. Adopt high speed built-in ARM9 core. Independent flip-book button, preview book chapters, thumbnail photos, easy to find what you want to read. Read the assistant, adjust the brightness, color and font size font to relieve reading fatigue. You can skip the page and add a bookmark feature. No need to re-read. Read directly the bookmark page added recently. The integrated body design is as thin as 11mm, which is solid and durable. 7 inch ultra clear electronic screen, sharp text, restoring paper reading. Built-in music, video, photos and other multimedia functions. Built-in 2100mAh battery, single charge can last several weeks. Technical data: Speed: 380 MHz RAM: 512 M Operating System: for uCOS Display Type: 7 inch TFT LCD Ratio: 16:9 Resolution: 800 x 480 Size: 7,0 inch (diagonal) Contrast: 400 (standard) Brightness: 250 cd/m2 (typical) Increased response time: 12ms, decrease: 18ms (typical) Top view: 30°-70°, bottom: 50°-70°, left: 50°-70°, right: 50°-70° External TF memory card, up to 16 GB Battery: 2100 mAH E-book: 20 hours Music: up to 10 hours (backlight off) E-book and music: up to 6 hours Video: up to 5 hours Charging time (5V, 500mA): 10 hours (approximately) System requirements: for Windows XP/Vista/Win 7/Mac 10.0 and later/Linux Storage temperature: -20 ℃ -50 ℃/relative humidity: 5% to 95% non-condensing Operating temperature:-10 ℃-40 ℃/relative humidity: 5% to 95% non-condensing E-book format: EPUB, PDF, TXT, FB2, PDB Image Format: JPG, BMP, GIF, PNG Video Format: MPEG1, MPEG2, MPEG4XVID, DIVX, H.264, H.263, RM/RMVB, MKV, MOV, VOB, FLV List of packages: 1 x Reader 1 x charging cable 1 x headphones 1 x leather case 1 x instruction manual Note: Does not support Wi-Fi.