Android 9.0 with 3GB RAM and 32GB ROM; 20-point writing, 0.006s response speed, 2mm writing height; Anti-glare Glass 3mm Hardened Anti-Reflection Safety Class; Brightness 350cd/m2; Contrast Ratio 5000:1; Backlight Direct LED (DLED); Resolution 4K UHD (3840*2160); Aspect Ratio 16:9; Backlight Life Time 50.000 hrs