The wacom bamboo ink plus stylus is a smart stylus designed for writing and drawing with windows ink. Aside from the microsoft pen protocol (mpp), it's also compatible with wacom's active es protocol for broader compatibility. Made from aluminum, the bamboo ink plus has an ergonomic design, complete with a handy clip and a thin nib for extra precision. Specs-wise, it has up to 4096 levels of pressure sensitivity and is equipped with a rechargeable li-polymer battery, which can last up to 10 hours of use. The nib kit included with this stylus has firm, soft, and blue nibs for different experiences.