The Logitech Crayon Digital Pencil is a versatile pixel-precise digital pencil. Mark up PDFs take handwritten notes or doodle a masterpiece. This digital pencil is compatible with the Apple iPad 6th Generation and with apps that support Apple Pencil. It features palm-rejection technology enabling users to rest their palms on the screen while using the digital pencil. The pencil features 4 ft. drop protection and a secure tethered cap for flexible usage anywhere. It gives you up to seven hours of writing time on a single charge and shuts off automatically after 30 minutes of idle time to save battery. If you're low on battery a 2-minute charging boost provides 30 minutes of writing time.