Digital Pen Active Stylus Compatible with Surface Pro 7 Surface Pro 6 Surface Laptop 3 2 1 Surface Book 3 2 1 Surface Go 2 1 Surface Pro 5 Pro 4 Pro 3 Silver

How to hook up the battery? 1.Rotate the top of the pen counterclockwise; 2.Positive pole side down, Insert the battery into it; 3.Return to the original position clockwise. How to Use? When you insert the battery,that is it, Back to your Surface, Just writing now! How to replace the Refill? 1. Use the tools in the package to gently rotate and pull out the refill on the Stylus pen; 2. Find the new refill you need to replace in the package, using your hand, gently insert the refill into the pen; 3. Complete the replacement.