NEW * Logitech Ultrathin Keyboard Folio for 10.1-Inch Samsung Galaxy Tab 3 Black 97855098412 | eBay
Amazon.com: Logitech Ultrathin Keyboard Folio for Samsung Galaxy Tab 4-10.1 Inches - NOT for Tab A, NOT for Tab 2, will ONLY Fit Galaxy Tab 4-10.1 Inch Version ( -Purple) : Electronics
User manual Logitech Ultrathin Keyboard Folio (English - 229 pages)