Compatibility with： iPad Pro 12.9-inch (5th generation) 2021 Released ,Model number (on the back cover)A2378 , A2461 , A2379 , A2462 ; iPad Pro 12.9-inch (4th generation) 2020 Released , Model number (on the back cover)A2229 , A2069 , A2232 , A2233; iPad Pro 12.9-inch (3rd generation) 2018 Released ;Model number (on the back cover)A1876 , A2014 , A1895 , A1983. Bulit-in Trackboard & Multi-Touch Design : The keyboard with built-in touch pad function, allows you to use it like a laptop it will offer a great aid when you do not have a mouse in hand. ( Notice: To use the keyboard touchpad, Please go to the iPad accessibility setting to turn on the assistive touch function first and Upgrade Your iPad Software to iOS 13.0 Version or above). Round key cap + Magnetically detachable color keyboard : The latest design in 2021, retro white buttons , Stylish and cute color keyboard with round keys, The magnetic separate keyboard is suitable for 3 systems of Windows Android iOS, Not only can be used with iPad, It can also be used with other tablet computers and mobile phones. Convenient Shortcut Keys: The keyboard is equipped with multi-function shortcut keys. You can take a screenshot, lock your screen, or adjust volume in one click. By combining FN with other keys, your iPad will be as convenient as a laptop. Soft TPU back cover: The soft TPU back cover adopts non-slip design, Easy to install, Can support the tablet at multiple angles . Built-in Pencil Holder: The protective case comes with pencil holder It is convenient to keep your Pen together, don't worry about losing it.