E Book E6 1 Display Enginer: Epson S1D13521 2 ,Gray Scale: 16- ... Gray Scale 3,OS:Lightweight OS 4, CPU: RK2705 E Book E6Feature;OS: Lightweight OS, a professional operation system for readers ... : English, Chinese,German, Italian, Portuguese, Dutch, French, Spanish, Polish, Russian(10 languages)inner memory: 2GBExtend Memory: SD Card 1-16GBPower Supply ...