Surface Pen. Write and draw naturally. Create without limits Precisely sketch and shade with 4,096 pressure points that respond to the lightest touch Reduced lag/low latency: Ink flows out in real time with no lag or latency Use Surface Pen with apps like OneNote, Microsoft Office, Adobe Suite, Sketch able, Bluebeam Revue, Draw board, CorelDraw, and Staff pad Compatible with Surface Pro, Surface Pro 4, Surface Pro 3, Surface Laptop, Surface Studio and Surface Book. Create without limits. New Surface Pen is better than ever, with precision ink on one end and a rubber eraser on the other plus tilt for shading, greater sensitivity, and virtually no lag. Tilt support Intuitive hardware Real-time inking Natural-feeling rubber eraser 4,096 pressure points Palm Block technology ignores pressure from hand Coordinates perfectly with other Surface accessories Bluetooth 4.0