Please see the detailed product introduction.*Press Keys1. Dial: While the Dial mode, features are programmable, with default functions being canvas size adjustment, brush size adjustment and canvas scrolling.2. Long press to call up the function menu /Serve as Enter Button.3. Press keys that are programmable on the driver.4. Num Key: Switch the alternative functions of keys.After unboxing your package, make sure that you have the following items:Tablet*1Battery-free Pen*1Pen Holder*1Replacement Nibs(Inside the Pen Holder)*10USB Cable*1Quick Start Guide*1Warranty Card*1