The application provides an electronic device. The electronic device includes a main body and a cover. The main body has a sheet and the sheet includes a first key set and a second key set. The cover, slidably disposed on the main body between a first configuration and a second configuration, includes a first portion and a second portion connected thereto. The first key set is visible through the first portion and the second portion covers the second key set when the cover is in the first configuration, and the second key set is visible through the first portion and the second portion covers the first key set when the cover is in the second configuration.