78 keys with Multimedia keys accessible by the function key (FN).The keyboard is light with an elevation of about one half inch in a natural and normal use. Incorporates function keys to decrease and limit the range of motion of the hands when using the mouse. Standard size keys. Adjustable and sturdy feet. Wire length: 59 in. USB connection, ready to use. Compatibility: Windows 98/2000/2003/XP/Vista/7/8/10. 11.02 × 3.94 × 0.39 in.