Optical Key : W/A/S/D Optic Switch
Optical Key Response：0.2ms
Hotkey：Multimedia hotkey
Backlit：Neon Glare
Gaming Keycaps：4 ABS Keycaps
Water-Resistant：Double Secured
Space-Bar: Screw Enhanced
Connector: USB
Cable Length : 1.8m 
System Requirements: Windows XP/ Vista/ 7/ 8 /8.1 / 10 or later