SpecificationsKeys: 104Switch  type: membraneSwitch rating: 10 million  pressesKey route: 3.6 ± 0.3 MMBacklight: MIXED  Colora (RAINBOW)Interface: USB 2.0Cable  length: 1.5 mSize: 447 x 167 x 40 MMOS  support: Windows XP or  newer FeatureAnti-ghosting: 19-key rollover supportSolid  and high-quality build for increased durabilityMixed 3-color rainbow  backlightBuilt-in palm rest