Amazon.com: Wireless Keyboard and Mouse for iPad (iOS 13 and Above), SPARIN Bluetooth Keyboard and Mouse Compatible with iPad Pro 12.9 11 / iPad 10.2 (9th 8th Gen) / iPad Air 5
iOS 13, iPadOS Compatibility For iPhone, iPad, iPod touch Devices | Redmond Pie
How to install iOS 13 beta 1 on your iPhone or iPad right now