One by Wacom Small Graphics Drawing Tablet 8.3 x 5.7 Inches, Portable Versatile for Students and Creators, Ergonomic 2048 Pressure Sensitive Pen Included, Compatible with Chromebook, Mac, and Windows Brand Wacom Connectivity Technology USB Pressure Sensitivity 2048 Levels Operating System Windows 8.1, OS X 10.10 Yosemite, Windows 7, Windows 10 Special Feature Pen Hand in Hand Wacom has been around for four decades, and you can trust that we will always be there to help you bring your ideas to life. From product support to tutorials to opportunities to connect with the creators you admire, investing in a Wacom product is the start of a relationship that will enhance the classroom experience for years to come.