 Significantly, the body dimensions of the 2019 10.2" iPad have been enlarged to match that of the iPad Air (3rd Generation) and the previous generation 10.5" iPad Pro, allowing the Smart Keyboard to be used for all three models.In addition to eliminating recharging and Bluetooth pairing, the direct connection satisfies the education market's requirement for direct connection only during standardized tests.All iPads also retain backwards compatibility with third-party accessory Bluetooth keyboards.