Not work for iPhone, Android, or Microsoft devices. 【 Stylus Pen for iPad 】 One-piece design/matte texture/smart touch switch makes this pen for iPad more comfortable to use and easier to control on your hand. The best pencil for iPad drawing, sketching, and note-taking. 【 Palm Rejection & Smart Touch Switch 】The Stylus Pen offers a palm rejection function that allows you to rest your palm comfortably on the screen while using this pen for iPad. Get rid of the uncomfortable stylus glove. No Bluetooth and APP Required. Simply touch the Top of the digital pen to turn on/off it. 【 High Precision & Power-Saving Mode 】The ultra-fine 1.5 mm tip makes this pen for iPad as precise as a real pen, which can allow more precise and fluid use even with small, narrow strokes. No lagging, no skips, no scratches. With Type-C USB cable supports 20 h continuous use only need 80-120 minutes charging time. Auto-off after 5 minutes of inactivity for saving energy efficiently. Professional After-Sales Team will offer prompt respond within 24hrs.