A "sliding keyboard" refers to a type of keyboard that can physically slide out or be pulled out from a device, such as a cellphone or a laptop. Full definition
It has the issues usually associated with sliding keyboard, namely: the keys are too flat and the keyboard is too wide. (ubergizmo.com)
The first is made by its parent company and meant for health sensing, while the latter is a full - sized sliding keyboard. (9to5google.com)
However, the magnets holding it in place are again not that strong and it is possible to slide the keyboard over the screen and of the device. (umpcportal.com)