Logitech Keys-to-Go Portable Wireless Keyboard for Apple Devices
Amazon.com: Logitech iPad Keyboard and Stand Combo for iPad, iPad 2, iPad (3rd/4th generation), and iPad mini : Electronics
Amazon.com: Logitech Combo Touch for iPad Air (3rd Generation) and iPad Pro 10.5-inch Keyboard case with trackpad, Wireless Keyboard, and Smart Connector Technology - Graphite : Electronics
Amazon.com: Logitech Ultrathin Magnetic Clip-On Keyboard Cover for iPad Air 2, Space Gray : Electronics
Hands-on: Logitech's Slim Folio keyboard case for 2017 iPad never needs to be recharged [Video] - 9to5Mac
Logitech Debuts Trackpad Keyboards for 10.2-Inch iPad and 10.5-Inch iPad Air - MacRumors
User manual Logitech Keyboard Case iPad Air 2 Plus (English - 192 pages)