It's a maglev keyboard that actually floats the keys, using magnetic force to provide tactile resistance when you push them.

这个键盘的按键通过磁力悬浮在键盘上，比普通键盘手感更好，而且能根据按键力度的不同改变按键的抗阻。

youdao

Gigabyte must know this, as there's a Surface-style kickstand to prop it up as well as a very thin magnetic keyboard and trackpad combo dock.

ENGADGET: Hands-on with Gigabyte's S1082 and S1185 Windows 8 tablets (video)

The Surface's built-in kickstand threw another wrench into the design process, as did the magnetic hinge used to attach the keyboard covers.

ENGADGET: Microsoft Surface: inside the three-year secret project to build the first great Windows tablet