SpecificationsKeys: 87Switch type: mechanical (Blue)Switch rating: ? 50 million pressesKey route: 3.8 ± 0.4 mmOperating force: 60 ± 10 gBacklight: 6-color RainbowInterface: USB 2.0Cable length: 1.6 mOS support: Windows 7 or newerFeaturesCompact design with a slim frame and TKL layoutFull anti-ghosting: N-key rollover support20+ selectable lighting schemesFive macro keys programmable without driver (No.1 to No.5)Heavy-duty design: metal-made front plate and high-quality ABSAdvanced customization software