Highly Sensitive: The Active Pen 2 features up to 4096 levels of pressure sensitivity and robust, sensitive nib technology that mimics the friction of a pen on paper, allowing you to write, sketch, and annotate naturally on your screen. Highly Efficient: Launch applications quickly with a single click via Bluetooth connectivity and control presentations by flipping up and down. Enhance productivity using two side buttons and a top button for customizable shortcut functions through Windows Pen Protocol or Pen App. Natural Experience: Create and edit using the touch system; personalize documents by signing names and adding handwritten digital notes. The stylus uses AES technology for a responsive, natural, and intuitive writing and drawing experience. Wide Compatibility: Compatible with Lenovo ThinkPad X1 Tablet Gen 1/2/3, Lenovo ThinkPad X1 Yoga Gen 1/2/3/8, Lenovo Yoga 530/710/720/730/900S/920, Lenovo Miix 510/520/630/720, Lenovo ThinkPad X380/L380 Yoga, Lenovo ThinkPad X1 Fold, Lenovo ThinkPad X1 Carbon 6th/7th Gen (with stylus support), Lenovo Yoga C740/C930/C940, Lenovo Yoga 7i 14/16 inch, Lenovo IdeaPad C340, Lenovo ThinkPad Yoga 260/370/460, Lenovo IdeaPad Flex 5 14/15 inch, Lenovo IdeaPad Flex 6 11/14 inch, Lenovo Yoga 6/7/9, and ThinkBook 13x G2 IAP-21AT. Color: Gray-Black Material: Aluminum Package Contents: 1 x Active Stylus Pen Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.