I purchased this along with my iPad Air 4 from the Apple online store. I was using it extensively until recently, but I'm selling it because it's no longer compatible after I upgraded my iPad. ● Product Features Convenience of wireless charging and pairing by magnetically attaching to the side of the iPad, the ability to quickly switch tools (pen and eraser, etc.) with a double tap, and a natural, smooth writing feel with pixel-level precision and low latency. Furthermore, it supports pressure sensitivity and tilt detection, enabling more expressive drawing, and on compatible models, the hover function allows you to preview the pen tip. The Apple Pencil (2nd generation) only works with the following iPad models: iPad mini (6th generation) iPad Air (4th or 5th generation) iPad Pro 12.9-inch (3rd, 4th, 5th, and 6th generation) iPad Pro 11-inch (1st, 2nd, 3rd, and 4th generation)