Smart Keyboard Folio

The Smart Keyboard Folio is a hardware keyboard and cover originally designed by Apple for the 11 and 12.9-inch 3rd-generation iPad Pros. It can also be used by the 4th generation iPad Air, which has virtually the same exterior dimensions as the 11-inch Pro model.

Description
Introduced in November 2018, the Smart Keyboard Folio superseded the previous Smart Keyboard for 1st and 2nd-generation iPad Pros. It is powered by a magnetic Smart Connector and does not require batteries.

Product support
In May 2020, it was superseded by the Magic Keyboard for iPad. However, the Smart Keyboard Folio remained available for the:
 * iPad Pro (3rd, 4th, and 5th generation) 11 and 12.9-inch
 * iPad Air (4th generation) 10.9-inch