Compatibility: This stylus pen is compatible for iOS/Android touchscreens. It can not only work for Lenovo/SAMSUNG/HUAWEI/Vivo/Mi and other brand tablets, but also can work for iPhone, iOS/Android/Harmony OS, and other system cellphones. NOTE: This stylus pen not compatible for iPad & Microsoft tablets and windows systems | No Need Setting Bluetooth: Are you annoyed with your stylus pen disconnecting from your iPhone frequently? Are you having trouble with the stylus pen not working with your iPhone? If so, you can choose this stylus pen. No need to setting Bluetooth or install any apps, just turn on the stylus pen, it can work for your devices immediately, freely switch between different devices | 1.5MM Fine Tip: This active stylus pen is equipped with a 1.5mm copper fine point tip which is more precise and smooth, No lagging, no skips, and no scratches. The metal case increases the texture of the stylus pen, bringing you a better writing experience | Fast Charging and Long Standby: This stylus pen support 12 hours of continuous use and 180 days long term standby for only 1.5 hours per charging. Don’t need to turn off it by hand, it will auto-fall asleep after idle for 5 minutes to save power | Widely Used: This stylus pen can be used for taking notes, playing games, drawing, writing, signing, and illustrating. It supports almost all kinds for apps such as GoodNotes, Notability, Noteshelf, Notepad+, Procreate, ArtFlow, Painter, Design, etc