XOPPOX Upgraded Graphics Tablet is compatible with Windows Xp, 7, 8, 10. Android 4.4 and above; Mac OS 10.7.0 and above(Not compatible with iPhone/iPad/Chromebook) NOTE: for Mac user, Security & Privacys permission is necessary for Accessibility/Input Monitoring/ Full Disk Access when installation completed - The graphic drawing tablet come with 8192 levels of pressure sensitivity pen, which makes the line more smoother and natural. This battery-free pen don't need charge, and you don't need consider whether the battery will run out, and the package include 20 replacement nibs