Blue Switches.Provide your clicky ± tactile feedback to improve typing speed and accuracy. Give you an edge over gaming competitors with accurate response. And it also owns the most rhythmic clicky feeling of typing among all kinds of switches(Blue/Red/Black/White/Brown Switch).50,000,000 times keystroke test, 60 ±15g key force and 4.0 ± 0.2mm stroke travel. Anti-ghosting,87 Non-Conflicting Keys. This Mechanical Gaming Keyboard allows multi-keys to work simultaneously without confliction, experiencing a new level of gaming and typing. Ideals for gamers, typist, programmer, writer etc. Build Quality. Made of top-grade ABS and metal base, with matte-finish texture,it is sturdy and robust for durability. Laser-engraved keys are not easy to fade. Water-resistant with drain holes.