So just to clarify a few questions I get asked a lot - you don't need both Samsung cases, no, but I had a second 'book' Style of the caps and magnets got in the way when using the S Pen which was annoying. This cover doesn't interfere with the S Pen at all, which is an advantage in itself. Does it work with the Samsung keyboard cover? Yes! As I said, I have both Samsung cases. I use Dex, I use a tablet for study, work and creativity. I don't always need a keyboard, but I still need protection. The keyboard cover is nice, it works, it's convenient, and saves battery since it's not bluetooth, but it adds bulk and weight that I don't need all the time. A working solution is to use the book cover as the main cover and just hit the keyboard when I need it. The tablet is always protected, the keyboard can be used when I need it and the only thing I don't use is the keyboard stand and pen case. At the current price of $40 you should buy it as it doesn't go bad. with your S-Pen it gets the job done, it has the stylus inside and if you have a keyboard case you can use them together.
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