Lenovo Think Pad Pen Pro for Yoga 460/P40 The Lenovo Think Pad Pen Pro for Yoga 460/P40 with 2, 048 levels of pressure sensitivity is an ideal input solution to give the user a precise content-creation experience. Users will also enjoy easy access to right and left click buttons built into the shaft of the pen that provide additional tools for data interaction. This pen is unique to the Think Pad Yoga 460 and P40 in that it can be stored in the system pen slot made specifically for that pen. The pen will recharge while being stored and allows the user up to 130 minutes (active use) of battery life off a single charge. Diameter: 6. 5 mm Pressure sensitive: 2, 048 levels Battery: rechargeable battery in side for fast charging Could be stored and charged in Think Pad system Features Pen for Yoga 460/P40 An ideal input solution Right and left buttons