The keyboard AK-S7000D-UW is a high quality USB keyboard with 31 additional free programmable keys As the programmed information is stored in the keyboard, there is no TSR or any other driver or software on the PC necessary. The keyboard including the additional keys works at every system which suports a regular USB keyboard. For programming of the keys there is a comfortable, free Windows software available. The programmable keys do have keycaps with a clear cover. Below the cover there can be a piece of paper placed. The clear plastic cover protects the paper. The keys can be programmed in 16 different layers.