Compatible with - ThinkPad X1 Tablet Gen 2;Yoga-520, Yoga-720, Yoga-900s, Yoga-920; MIIX 4/MIIX 700, MIIX 4 pro/MIIX710, MIIX 720, MIIX 5, MIIX 5 pro, MIIX 510, MIIX 520. Other electromagnetic screens with technology are available for general use. | Improve Efficiency - The Precision Pen provides an industry-leading 4096 levels of pressure sensitivity for natural writing and sketching, along with a 400 days battery life based on the test Active use 3hrs/day, Sleep 21hrs/day, Use 5 days/week; Tail button click 10 times/day.(Battery Include) | Tilt Detection - For professional and aspiring artists, the Precision Pen also recognizes degrees of tilt for lifelike shading for drawings and paintings, cone shape pen tip and zero stroke, all designed for natural writing, effective sketching and painting with no lag. Modern digital convenience meets classic look and feel in the Precision Pen. | With Bluetooth Connectivity - Take a short-cut in your work, seamlessly switch between different applications with one of three configurable shortcut buttons on the side and top of the pen, page through presentations, to be customized through Windows Pen feature and Pen App. | Supporting - AES2.0 / 1.0 protocol and In-TOUCH protocol. Shifting Time to Sleep: Condition: Tip switch / Side switch free Shift to Sleep mode after approximately 10 [min.]Condition: Tip switch or / and Side switch press Shift to Off mode after approximately 4 [min.]