Applicable to IOS systemEconomic Replacement Pencil for - Supports the iPad 2018 and Later the pen body is cylindrical + plane cutting design there is a magnet inside which is convenient to be attached to the IAPDA. The nib is a wear-resistant material injection molding nib which supports the exchange of the original nib. Palm Rejection & Comfortable Writing Feeling: Upgraded stylus pen enables you rest your palm on the screen while drawing without glove more comfortble & real than other pens. High Precision & No Lag Touch-activated Cap: Tap the touch cap of this ipad pen to turn on/off. One button design for easy use no Bluetooth required. Long Lasting Battery Life & Touch Activated--130 mah battery capacity 10 hours continuous working and 4300H standby time for about 1.2H per charging. Tip TiltSmart line width adjustment need thicker or thinner lines? The pencil has a smart tip that dynamically adjusts the thickness of the line depending on the angle you put it down - just like a regular pencil.