This delay free stylus is specifically designed for tablet (from 2018 and later versions). Prevent accidental touch, even if your hand is on the screen, there is no need to worry about accidental touch, making your writing more comfortable and protecting your previous writing records. Gesture shortcut function:Click on the top touch switch to turn on/turn off/take photos, double-click to return to the main page.It can be used to learn painting/browsing/gaming and more. A free refill replaceme.