Compatibility?- Designed for iPad 10.9 inch Air 2022 5th generation(model: A2588/A2589/A2591) Air 2020 4th generation(model: A2072 A2316 A2324 A2325). Please Note: Not compatible with any other iPad models. Please checked the model number at the back of your iPad. ?Bluetooth Wireless Keyboard Case?- Magnetic compact wireless Bluetooth keyboard, easy to install and remove, can be securely attached to the case, instantly become a portable laptop. Built-in rechargeable battery, charging for 2 hours, working for more than 3 days. Keyboard design using scissor-cross low profile structure, enhance the tactility of typing, let you faster and easier to learn and work. Easily prop up your iPad with standing position for enjoy the most comfortable flexible angles. ?Built-in Pencil Holder?- The built in Pencil Holder can hold your apple pencil in place tightly, conveniently store and remove your pencil. Effectively prevent falling out, reduce the likelihood of losing your pencil(Apple Pencil is Not included). ?Auto Sleep/ Wake Function?- The front cover of the case has built-in magnetic sheet, which ensures the auto sleep/wake function engages quickly every time. It saves power, help you extend the standby time battery life of your device.