Microsoft Classroom Pen 2 With Replaceable Tip Launched at Half the Price of Its Predecessor Microsoft Classroom Pen 2 is a digital pen aimed at teachers and students using Windows laptops. By Vineet Washington | Updated: 23 April 2021 17:52 IST Microsoft Classroom Pen 2 has a replaceable tip Highlights The Classroom Pen 2 has two buttons on it Microsoft has not shared details on international availability Microsoft Classroom Pen 2 has been introduced as the successor to the original Classroom Pen launched in 2019. It is a digital pen that has been optimised to use with the Microsoft Surface Go and Surface Pro laptops and, as the name suggests, it is targeted towards students. The company has not mentioned if, like its predecessor, the new digital pen can be used with other, non-Surface Windows laptops that support Microsoft Pen Protocol (MPP). Microsoft says that it's pushing towards a digital ink future and has cited studies that show that an average school uses about 50 reams of paper, which is about 2.5 trees per teacher for a 100-teacher school every year.