Made from aluminum alloy with strong magnetic attraction. The pen offers a battery indicator on the iPad, enabling an efficient and reliable charging experience. Ideal for artists, designers, students, teachers to do creation on iPad. Multiple windows and split screens are also supported for a more productive and enjoyable experience. Universal Compatibility: disc tip can glide across all capacitive touch screen devices smoothly and responds with great accuracy. Compatible with iPad, iPhone, Kindle, Samsung, android, tablets, laptop, and more.