This keyboard is only compatible with Surface Pro X. The numbers in the image above are, have been listed below. 1 – Storage tray 2 – Surface Slim Pen 3 – Keyboard 4 – Touchpad.

then take a look at this Microsoft Surface Pro Flex Keyboard with Slim Pen Bundle. If you buy the black model now, you can net yourself a saving of $100. Before moving on to the product details ...

It's the same deal with the Microsoft Surface Pro 3's weight too - good for a laptop, not so hot for a tablet. It weighs 800g without the keyboard. You wouldn't want to hold one up single-handed ...