Surface Pro Flex Keyboard with Slim Pen, designed to be used either attached or detached1 as a standalone keyboard New wider and precise haptic touchpad Backward compatible and works on your Surface Pro 8/9 running Windows 112 Up to 32.8 feet (10 meters) of connectivity Uses 128-bit encryption-technology that encrypts your data Most advanced digital pen with built-in haptic motor makes inking feel more natural Provides precise and accurate inking with sharper pen tip Pen can be wirelessly charged while securely stored on the keyboard