K680 Specifications Keys: 114 Switch type: membrane Switch rating: 10 million presses Key route: 3.6 ± 0.3 mm Backlight: RGB Interface: USB 2.0 Cable length: 1.7 m Size: 439 x 206 x 38 mm OS support: Windows 7 or newer Feature Anti-ghosting: 25-key rollover support Gaming-optimized performance Multimedia buttons RGB backlight Eight light switching modes, seven breathing modes, and three horse riding modes(without driver) Ergonomic design with wrist support Wide edge palm rest