The Adesso EasyTouch 640EB Rainbow Mechanical Gaming Keyboard elevates your gaming experience to a different level with its newly design blue mechanical switch. Together, they keep water and dust away protecting your keyboard from accidental spills. Structurally, the switch has a titanium steel spring to ensure longevity and accurate feedback. The copper sheet, which is where the keycaps make contact during typing, does not deform and has a memory-like characteristic to help balancing out the average typing force exerted by your fingers. This keyboard also offers Rainbow lighting effects, combining with its minimalistic look, the Adesso EasyTouch 640EB is definitely the best choice for your gaming experience!