E Book E6 1 Display Enginer: Epson S1D13521 2 ,Gray ... Gray Scale 3,OS:Lightweight OS 4, CPU: RK2705 E Book E6Feature;OS: Lightweight OS, a professional operation system ... speed is fast.CPU: RK2705(2705)Display Technology: 6-inch E-ink Vizplex Resolution: 800(H) * 600(V) Gray Scale ... Supply: Li lon Battery 1000mA, support 4500 pages reading.Download: USB HS 2.0Operating temperature: 0 to 40 degree ...