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Best Buy: Logitech Combo Touch Keyboard Case for Apple® iPad® Air 10.5" (3rd Gen 2019) and iPad® Pro 10.5" Graphite 920-009610
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Amazon.co.jp: Logitech iK1093BKA Keyboard Case for iPad Air 3rd Generation, iPad Pro 10.5 Inches, Trackpad Included, Smart Connector Connection, Combo Touch iK1093BKA, English Layout, Thin, Backlit Included, Smart Connector, Authentic Japanese Product :
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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