composed of a powerfully magnetic aluminum alloy. An effective and dependable charging experience is made possible by the pen's battery indicator on the iPad. Perfect for iPad creation by teachers, students, designers, and artists. For a more efficient and pleasurable experience, split screens and multiple windows are also supported. Universal Compatibility: The disc tip responds accurately and slides smoothly across all capacitive touch screen devices. Compatible with tablets, laptops, Samsung, Android, iPads, iPhones, Kindles, and more.