Description
Safe: no need to control some machines that hurt you with hands
Multi-functional: substitute for the shortcut key or combined key of medical facility, mouse , String , multimedia, game
Easy and Convenient: just install the software to customize key based on instructions and the multi - function control button could reduce plenty of repeated workload 
Beautiful Design: gray shell and light control button with lovely footmark , which is immensely attractive to children 

Foot Switch is one key customized computer keyboard. It can run on
(l)Dos
(2)Win 2000
(3)Win xp
(4)Win 7
(5)Win 8
(6)Win 10
(7)Linux
(8)MAC
(9)Android

(Note: if your computer system is Linux or MAC, you need to modify key value in the Windows system computer, after successful set, and then plug the switch into the Linux or MAC computer.)