New Trent iPad Pro Keyboard Case for 12.9 inch (1st and 2nd Gen. ONLY), Airbender Apex Bluetooth Keyboard Case with Detachable Back Cover for The Apple iPad Pro 12.9" (NOT for iPad Air & 3rd Gen.) Hard clamshell keyboard design with detachable back case Optimized key design for comfortable typing experience Compatible with iPad Pro 12.9inch 1st and 2nd Generation "NOT compatible" with iPad 12.9 inch 3rd generation, iPad Pro 10.5, iPad 4th Gen, iPad 3rd Gen, iPad 2nd Gen and iPad 1st Gen NOTE: IOS double space insert period problem can be eliminiated by the following action: go to Setting &gt; General &gt; Keyboard &gt; Hardware Keyboard &gt; turn off the "." Shortcut A1584 on the iPad Pro A1652 on the iPad Pro Wi-Fi + Cellular A1670 on the iPad Pro A1671 on the iPad Pro Wi-Fi + Cellular