• 4096 levels of pressure sensitivity for natural writing feel • Two customizable shortcut buttons for quick access • Built-in charging through notebook pen slot • Compact size: 4.4" length, 0.2" diameter • Ultra-lightweight: only 0.12 oz • Provide paper-like drawing and writing experience • Specifically designed for ThinkPad X1 Yoga Gen 6, but also can be used on Gen 7 & Gen 8