brand and high quality! Features: - [Convenient] The pen actually feels and writes like a pen, requires no special software, and works with all iOS and most Android touch interface devices. - [Long battery life] 19cm long, the active pen feels like a real pen. The active pen is powered by a built-in battery and provides up to 12 hours of continuous, non-delayed drawing and writing. - [Easy to use] It can be activated instantly via a switch and can be operated on any capacitive touch device. - [Applicable applications] The active pen is independent of the special software or the special settings of the application. So it works for almost all applications including popular applications like ZoomNotes, Evernote, FiftyThree, ProCreate. Specification: Size: total length 17.5 cm Material: pen body aluminum (pure copper pen tip, pen tip with protective film does not damage the screen) Compatible use: for Android phones, for Apple phones, for ipad Pro, all brands of fl