6 Customizable Shortcut KeysVK640 graphics tablet has 6 shortcut keys, which can be customized according to your drawing habit in different software. VEIKK Digital drawing tablet can improve your efficiency on work and create a highly ergonomic and convenient work platform. Tilt Function and 8192 Levels Pressure Battery-free PenVK640 writing graphics tablets provide the battery-free pen with 8192 levels pen pressure, supporting up to 60 degrees tilt function. The Stylus don't have battery and no need to charge for uninterrupted use.