—> More than 10 million times the key life , triggering sesitive , rapid rebound , feel comfortable. —> Charecter laser engraving , durable , anti-wear , never fade. —> The bottom of the keyboard with splash water hole design , to prevent accidental water ,will help quickly discharged into the keyboard into the liquid. —> Double spring plus balance rod , the use of more stable , more durable , not easy to fall off , full stretch.. *** System Requirements*** —> Windows XP Home Edition or Professional Edition. —> WIndows 7 Professional or ultimate. —> WIndows 8 ***Laser engraved character keycap*** Laser engraving character injection keycap design , feel comfortable ,percussion sense strong , durable.
