WRITES LIKE PEN ON PAPER】With max 4096 levels of pressure sensitivity and low initial activation force, the Microsoft surface pen is simply more sensitive than any stylus pen in the world, allowing for shading or increased detail when drawing. Perfect for handwriting, drawing, marking, signing and taking notes, truly accurate handwriting reproduction. 【REST YOUR PALM ON SCREEN】The surface pro 4 pen offers a palm rejection function which allows you to rest your palm comfortably on the screen while using our pen. No worry your palm would leave stray marks on the digital paper in an app. Make your writing casually and freely. Please note that this feature requires support by the respective app. 【THE EASE OF A CISCLE PEN】Comes designed with user friendliness in mind. Working directly after installing the battery, no Bluetooth pairing or driver installation is needed. Built-in Right Click and Erase button design frees customers from a total reliance on the use of a computer mouse. One nib can be wrote for over 20 km, users can exchange nibs by nib replacement tool. 【Long Battery Life Mode】 The surface pro pen built-in Li-battery supports 100 hours continuous playing time and 180-day stand by for only 1 hour charging time. You can charge it via AC adapter, power bank or computer (5V/0.2A). No Driver or Bluetooth connection required. Press any button, the white light on, it starts working. 【SPECIAL FOR MICROSOFT INK】Works with Surface Pro 7/6/5/4/3, Surface Go, Surface Pro(2017), Surface Book/Book 2, Surface laptop 2/3, Surface Studio/ Studio 2, Surface Neo, Surface 3 and is also compatible with Sony VAIO Duo 13, Duo 11, Asus Transformer3 Series, HP Spectre x360(2017). * Not compatible with Surface Pro1/ Pro2/ RT*