Multi-Function Quick Dial and 12 Customized Express keys The quick dial is specially designed for A15Pro drawing tablet. It has default functionS for zooming canvas/adjusting brush/scrolling page. You can program the quick dial and all the 12 express keys to functions that you need. Thus, they greatly simplify your workflow, and you would not have to have a keyboard close. Intelligent Passive Pen The battery-free pen features 8192 levels of pressure sensitivity and 250 PPS report rate, so you can draw lines of different thicknesses according to your needs without any delay. The Passive pen supports 60 tilt function after FIRMWARE UPDATED, helping you add shadow to your art creation. Ultra Large Drawing Area A15Pro graphics tablet has 10x6 inch large active area, provides enough space for your digital artwork creation. Ultra-thin for only 9mm and light weight body makes it quite convenient and portable. The type-C port on this computer graphics tablets can bring more s