Ergonomic USB Wired Backlit Mechanical Gaming Keyboard Blue Switches, 8 LED Lighting Modes, 104 Keys - Black All keys no conflict and fast response, bring you an amazing gaming experience This mechanical keyboard eyboard adopts high sensitivity and directionality mechanical key switches; Ensure the keystroke lifespan more than 50 Million times Equiped with 8 backlighting modes, and the backlighting brightness can be switch among low, medium and high light level Ergonomic and user-friendly design to reduce your hand fatigue Compatible with Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10; USB port