Onyx BOOX Max 13.3 Inch E-ink Reader Android 4.0 Flexible Handwriting Screen (16GB) 1.Screen parameters:13.3 inch1600*1200(300dpi) 16 grey scale made of Flexiable meterial. 2.Apparent parameters:325mm*237mm*7.5mm,550g(19.4oz). 3.OS:Customized Android 4.0. 4.Operating characteristics:Electromagnetic pen touch with pressure brings natual handwriting and handdrawing experience. 5.Only for Pre-Order(Totally 65USD Gift Packs) :35USD Discount+Gifts 32GB TF card/TF card reader/Special bag for BOOX Max 13.3/High-Class retro notebook(worthing 30USD ).