Compatible with 2018-2021 iPad & iPad ProThe stylus supports for iPad series 2018-2021 model: iPad 9th/8th/7th/6th Gen, iPad Air 3rd/4th Gen, iPad Pro 11 inches ,iPad Pro12.9 inches 3rd/4th/5th,iPad Mini 5th/6th Gen. Please confirm your devices before you place order, other model is invalid.^ Not compatible with models before 2018The stylus doesn't 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 versions of iPad. Not Compatible With iPhone, Android, Microsoft devices.^ Precise and Smooth1mm pen tip can replace your finger to execute finer instructions, it easy to install and tear off the tips on your stylus pen without any tool. No lag/offset/breaking pointCompared with the ordinary stylus pen, it has higher sensitivity, more accurate signal, more comfortable hand. Not easy to break Note The stylus pen no pressure-sensitive design.^ Palm Rejection DesignStylus pen with palm rejection technology provides a natural writing feeling and quick, effortless interaction with your screen, gives you more accuracy and control against the screen. We commend you to use this pen on the iPad with a glass screen protector.^ Easy to Use and Extra Long Standby No need to install Bluetooth or Apps, just turn on this active digital pen by simply touching the cap button, it will automatically turn in "Sleep Mode" after idle for 5 minutes to save power. 16 hours continuous working, 120 mins charge, 365 days standby time.