Keyboard Connection: Wired USB, Layout: Eng, Keys: 114, Switch type: membrane, Switch rating: 5 million presses, Key route: 3.5 0.3 mm, Backlight: 3 colors, Interface: USB 2.0, Cable length: 1.5 m, OS support: Windows XP or newer, Anti-ghosting: 19-key rollover support, Gaming-optimized performance, 1 ms response time, Backlit characters, perfect for playing in low light, 3-color backlight (normal and breathing modes)