Optimized for Windows Ink, Bamboo Ink is a hassle-free digital pen designed for writing, note-taking and annotating documents. Working across a broad range of pen-enabled Windows 10 devices and apps, it lets you intuitively capture your thoughts and ideas.Bamboo Ink works with Wacom Active ES protocol and Microsoft Pen Protocol (MPP). You can easily switch the mode by pressing and holding both side-switches at the same time for two seconds. You can find a list of tested devices at www.wacom.com/comp