[Compatible with 2018-2021 iPad and iPad Pro] The stylus supports iPad series 2018-2021 models: iPad 8th/7th/6th Gen, iPad Air 3rd/4th Gen, iPad Pro 11-inch, iPad Pro 12.9-inch 3rd/4th / 5th, iPad Mini 5th Gen. Please confirm your device before placing an order, other models are invalid. [Not compatible with models before 2018] The stylus does not support iPad pro 1st&2nd, iPad pro 10.5", iPad pro 9.7", iPad 1 to 5 Gen, iPad mini 1 to 4 Gen, iPad Air 1st/2nd Gen. and iPhone, Android, and Microsoft devices are not compatible. [Accurate and smooth] The 1.5mm pen tip can replace the finger to execute finer instructions, and the pen tip of the stylus can be easily installed and removed without any tools. No lag/offset/breakpoint! Compared with ordinary stylus, the sensitivity is higher, the signal is more accurate, and the hand feel is more comfortable. Not easy to break! [Note] The stylus has no pressure-sensitive design. [Anti-palm touch design] The stylus with anti-palm touch technology provides a natural writing feeling and quick and easy screen interaction, allowing you to control the screen more accurately. We recommend that you use this pen on an iPad with a glass screen protector. [Easy to use, long standby time] No need to install Bluetooth or apps, just touch the pen cap button to turn on this active digital pen. After 5 minutes of inactivity, it will automatically enter the "sleep mode" to save power. 20 hours of continuous work, 90 minutes of charging, 365 days of standby time.