... ,Glover Finger,stylusMaterial ITO Glass Thickness 0.7;1.1,1.8,2.0,3.0mmITO Film Thickness 0.188 mmEnvironmental Operation Temperature-20 ... operating force 15-70gsurface hardness 3hlife expectance>1,000,000Nib 0.8mm,playing key load 100g,hit the speed button 5 ... %.without condensation of water beadLinearity:<1.5%(<1.0% under special requirementsGlass thickness:0.55mm,0.7mm,1.1mm,1.8mm,3.0mmOperation ...