16.8 Million Colour Programmable RGB Lights Adjustable keys effective time in 7-speed transmission from 1 ms up to 16ms Fully Macro-able™ Gaming Keyboard Multimedia keys with a built-in program Adjustable key respond time Adjustable backlight effects on the keyboard button Gaming mode option for deactivation of Windows key Kevlartech keycaps Concave for better comfort with the lifetime fade-proof warranty Hotswaptech Blue OUTEMU switches that are replaceable on the fly during operation Ultra-Durable 50 Million cycle mechanical switch Consistent quality OUTEMU switch with less than 5g variance in work/tactile force, compared to 15g in most other brands Multicolour Backlight Keyboard Individually lit keys with 16.8 million colors to choose from 14 EFX, 5 game lighting profiles and adjustable brightness and EFX Speed Type: MechanicalLight Effect: RGBProgrammable Buttons: Fully macro-able