The Surface Pro Flex Keyboard supports wireless connectivity, is reinforced with extra carbon fiber, and has a haptic trackpad.

The deal includes a Surface Pro 11 with Snapdragon X Plus, 16GB RAM, and 512GB SSD. It's the model with an LCD screen that looks incredible, and the free keyboard usually costs $189 alone. So, for $899, you get a full computer and accessory, making the keyboard essentially free.