SpecificationsKeys: 114Switch type: membraneSwitch rating: 3 million pressesKey route: 3.0 ± 0.3 mmBacklight: MIXED Colors (RAINBOW) Interface: USB 2.0Cable length: 1.5 mSize: 453 x 151 x 20 mmOS support: Windows XP or newerFeaturesAdjustable Rainbow backlight with multiple effectsSpecial mode with backlight that reacts to voice and soundsMultimedia features and Windows key lock functionSlim frame design