Update to Surface Pro 4 makes it more stable with the Type Cover accessory13
The Surface Pro 4 Type Cover is available from the Microsoft Store for $129.99. It is available in Black, Blue, Bright Blue, Red, Teal and Onyx. For $30 more, you can purchase a Type Cover that not only comes with the physical QWERTY, it adds a fingerprint scanner to the accessory's features.
If you own the Surface Pro 4 and employ the Type Cover, keep your eyes peeled for the update. If you don't own the Type Cover, but always fancied one, you can purchase it from the Microsoft Store by clicking on the sourcelink.
source: MicrosoftNews via WMPoweruser