Battery-free stylus,not require charging,8192 pen pressure 5080 LPI Ultrathin 2mm,4×3 Inch Active Area. Easy setup:USB connect with Computer Support Windows & MAC. Graphics application: Compatible with Corel Painter, CorelDraw, Adobe Photoshop, Adobe Illustrator, Adobe Fireworks, Macromedia Flash, Comic Studio, SAI, Infinite Stratos, 3D MAX, Autodesk MAYA, Pixologic ZBrush, etc.