... /ME/2000/XP/VISTA 2,waterproof and anti-dust design,long time work life, Wired multimedia keyboard1,Ergonornic design comfortable handle ... feeling2,waterproof and anti-dust design,long time work life,over 20 million times3,no software to ... , Stength evenly,Fingers do not slip when use it.7) Long time for use for Keyboard high quality wired keyboard