Samsung galaxy tab s9 ultra case with keyboard compatible with samsung tablet keyboard, designed for the 14.6-inch samsung galaxy tab s9 ultra 2023 released (SM-X910/X916B/X918U), tab s8 ultra 2022 release (Model: SM-X900/X906). Please kindly check your Galaxy back model before purchasing. Product Advantages & Features:Magnetic bluetooth keyboard case -- Easy to be attached and removed from the magnet cover.Keybord built-in Rechargeable battery -- Keyboard is chargeable, 3-4 hours full charge, can uninterrupted work for about 80 hours.Keyboard can be used for multi Operating Systems --The wireless keyboard works with iOS, Android, and Windows. Press Fn+Q/W/E to change the operating system.