The pen detects the tilt of the pen as you write, allowing you to achieve different shades and thicknesses depending on the angle you are writing. Palm Rejection Palm Rejection technology ensures smooth and uninterrupted writing, allowing you to rest your palm on your device while you write. iPadOS Compatible Supports iPadOS 14 and above. Magnetic Attachment The strong magnetic mount allows you to attach the ACTIVE PEN to the side of your iPad. Fast Charging Charges in 40 minutes with the included cable with 3C charging technology. Replaceable Nib You can replace the nib of your pen by turning the nib clockwise to release it. A replacement nib is included in the package."