Apple Pencil set the standard for how drawing, note-taking, and marking up documents should feel � intuitive, precise, and magical. The second generation Apple Pencil takes that experience even further. Now you can pair and charge wirelessly and change tools, like a pencil to an eraser, with a simple double tap. Go ahead, make your mark.Dimensions:Length: 166 mm (6.53 inches) measured from tip to capDiameter: 8.9 mm (0.35 inches) Weight: 0.73 ounce (20.7 grams)BluetoothOther Features:Magnetically attached capAutomatic pairing, wireless charging,and magnetic storageCompatibility:12,9" iPad Pro (4. Generation)12,9" iPad Pro (3. Generation)11" iPad Pro (2. Generation)11" iPad Pro (1. Generation)iPad Air (4. Generation)