Microsoft Classroom Pen 2 is optimized for use with Surface Go and Surface Pro and enables students of all ages to write and draw naturally on their screens via an improved design and longer enclosure.   The durable pen tip is replaceable, and its easy to prevent loss with a built-in slot for a tether or the clip that attaches to Surface Type Covers.   And even with those improvements, the Classroom Pen 2 is only half the cost of the original. Device compatibility: Tablet Brand compatibility: Microsoft Platinum Aluminium, Plastic Alkaline