Product Information Compatible with Surface 3, Surface Pro 3, Surface Pro 4, Surface Pro and Surface Book. – Experience the ultimate modern writing experience with Surface Pen. Write, draw or mark-up documents, digitally. Take notes to quickly capture your thoughts and instantly convert to text for sharing and searching with ease. Simply click once to open OneNote, or click and hold to instantly access your personal digital assistant, Cortana. The Surface Pen is paired with a Pen Tip Kit to help you choose the tip that feels most natural to you and attaches magnetically to your Surface so you never leave it behind. A Pen thats ready for the professional Write, draw, or mark-up documents — digitally. Take notes to quickly capture your thoughts, and instantly convert to text for sharing and searching. Simply click once to open OneNote, or click and hold to access your personal digital assistant, Cortana. Write and draw, naturally Surface Pen feels as natural as pen on paper. It has precision ink on one end and an eraser on the other. Palm Block technology ignores the pressure from your hand when it senses youre using Pen. And with 1,024 levels of pressure sensitivity and reduced latency, Surface Pen draws and paints with the artistic precision and control you want. Your notes, better than ever Write and draw directly on your screen, convert your handwriting to text, and even highlight in PDFs and documents. Clean up is simple when you use the eraser button located on the top of Pen, and you can access formatting options using the right-click button on the side. And since all your notes are digital, sharing and searching is simple. One click to OneNote or Cortana Dont let another flash of inspiration pass you by. One click of Surface Pen opens a blank OneNote. Click and hold brings up Cortana for instant access to your personal digital assistant. She offers time, people, and location-based reminders, and even helps you book dinner reservations. Comes in platinum color and is compatible with Surface 3, Surface Pro 3, Surface Pro 4 and Surface Book Dimensions: 5.75″L x 0.38″Dia Provides Bluetooth 4.0 connectivity Features replaceable stylus tip Has barrel button and tail eraser Features precision accuracy, pressure sensitivity and palm block technology Weight: 0.04 lbs. Product images may differ from actual product appearance.