[Battery -free Pen]---The pen adopts the most advanced passive technology at present, no need to charge or replace the battery, so it's always ready whenever you want to create art,avoiding trouble of battery leakage and low power.[8192 Levels Pen Pressure]---The pen features 8192 levels of pressure sensitivity, helps you to draw thicker or thinner lines depending on how hard you push on the pen. It makes lines smoother and more natural, allowing you to capture ideas faster and easier.[High Performance]--Working Area:10 x 6.25 inches (255*159mm);Pressure Sensitivity: 8192 levels; Pen Touch Resolution:5080 LPI; Report Rate:233PPS; Sensing Height:10mm[1 Touch Ring+1 Round Key+10 Hot-keys]---The touch ring could be programmed for canvas zooming, brush adjusting and page scrolling ( zoom in/out and roll ). The round key designed to shift function among zooming canvas, adjusting brush, and scrolling page. 10 customizable shortcut keys allow more quick access to most commonly used functions.[Compatibility]---Windows 7/8/10, Mac 10.12 or later version. And it’s compatible with most drawing program,such as: Photoshop, Krita, Illustrator, SAI2, SketchBookPro, FireAlpaca, OpenCanvas, Manga Studio and so on.