Incipio's Steno Hard Shell Ultra-thin Keyboard Folio has more than got your Samsung Galaxy Tab 3 7" covered. 

Combining protection and function, the Steno Folio gives you easy portability with the ability to type confidently on a full Bluetooth QWERTY keyboard. 

The Steno Folio can detach into two separate parts, case and keyboard, for convenient typing in any environment. Expertly designed for easy portability and full functionality.