As of December 2015, some keyboards that are compatible with the Microsoft Surface RT tablet include the Surface Touch Cover 2 and Surface Type Cover 2 by Microsoft. The Surface Touch Cover 2 is both a protective cover and a pressure-sensitive keyboard.
The Surface Touch Cover 2 has proximity-sensing backlit keys that include 12 Function keys, Windows shortcut keys and media controls. It has a thickness of only 2.5 millimeters and is available in charcoal color. The Surface Type Cover 2 comes in four colors including black, cyan, magenta and purple. It measures 5.0 millimeters in thickness and has proximity-sensing backlit mechanical keys. In addition, this keyboard is dirt and moisture resistant.