Device compatibility: Universal Brand compatibility: Microsoft Charcoal Bluetooth 4.0 DescriptionStreamline your creative process with Surface Pen, featuring precision ink on one end and a rubber eraser on the other.Create uninterruptedWrite and draw with precision ink on one end and a rubber eraser on the other. Tilt your Surface Pen to shade your sketches just like you would a graphite pencil, using the pen tip that feels right.Write and draw naturallySketch and shade with precision with 4,096 pressure points that respond to the lightest touch. Ink flows directly from the tip of your Pen to your screen with virtually no lag.Bring your vision to lifeCompose a song, make an animated short, take notes, and draw 3D CAD designs. Use Surface Pen with apps like OneNote, Microsoft Office, Adobe Suite, Sketchable, Bluebeam Revu, Drawboard, and Staffpad.Express yourselfChoose the color that best expresses your style. Surface Pen comes in four colors3Platinum, Black, Burgundy, and Cobalt Blue