Compatibility:iPad Pro 9.7-Inch and iPad Pro 12.9-Inch Connections:Bluetooth,Lightning connector Apple Pencil expands the power of iPad Pro and opens up new creative possibilities. Its sensitive to pressure and tilt so you can easily vary line weight, create subtle shading, and produce a wide range of artistic effects - just like with a conventional pencil, but with pixel-perfect precision Dimensions:Length: 175.7 mm (6.92 inches) measured from tip to cap ,Diameter: 8.9 mm (0.35 inches), Weight: 20.7 grams (0.73 ounces) Whats in the Box: Apple Pencil, Lightning adapter, Extra tip