! Features: - [Convenient] The pen feels and writes like a traditional pen, requires no special software, and works with all iOS and most Android touchscreen devices. - [Long battery life] 19 cm long, the active pen offers a natural writing experience. Powered by a built-in battery, it provides up to 12 hours of continuous, responsive drawing and writing. - [Easy to use] Instant activation with a switch; compatible with any capacitive touch device. - [Applicable applications] The active pen does not require special software or app settings, making it compatible with most popular applications such as ZoomNotes, Evernote, FiftyThree, and ProCreate. Specifications: Size: Total length 17.5 cm Material: Aluminum body with pure copper stylus tip (tip includes protective film to prevent screen damage) Compatibility: Works with Android phones, iPhones, iPad Pro, and touchscreen devices from various brands