E-Element Z70 LED Backlit Wired USB Multimedia Water-Proof Gaming Keyboard for PC (Black) Blue backlight with automatic breathing transition capability and adjustable brightness feature. (Keyboard Backlit & All Keys Lighting) Lock / Unlock Win key features: Disables the Windows/Context Menu keys to prevent accidental game interruptions; Interchangeable Direction "   " keys and "WASD" keys 20 Multi-meida Functions with easy access 12 media keys; 104+ Laser Engraving Keys with rubber coating; Excellent ergonomic design with 10 Waterproof Drainage Holes 19 non-conflict keys: Simultaneous operation of up to 19 keys without conflict. Support System: Win Me/2000/XP/Vista/Win7/Win8/Win8.1/Win10