Apple USB-C to Apple Pencil Adapter The USB-C to Apple Pencil Adapter is required to pair and charge Apple Pencil (1st generation) with iPad (10th generation). Your Apple Pencil plugs into one end of the adapter and the USB-C Charge Cable from your iPad plugs into the other. Compatibility iPad (10th generation) Depth: 10 MM Height: 160 MM Width: 80 MM