?Professional blue switches, tested by professional players, comfortable, sounds crisp and durable. ?The keyboard has 30 types of lighting effects with white backlight, and the three buttons and large knob in the upper right corner of the keyboard have multimedia functions. (For details, see the description below) you can hold the knob 3 seconds to switch the backlit mode, and rotate it to adjust the lighting brightness. ?This is a Full-Size keyboard, and all 104 keys non-conflict. N-key rollover. Allows multiple keys to work simultaneously with high speed. Let you enjoy high-grade games with fast response. 12 easy-to-reach multimedia keys. ?The keycaps are jointly studied by international manufacturers,produced with 79 complicated processes.We adopt double injection molding process to ensure accurate and non-fading color,uniform light transmission and high light transmittance. ?The body is electroplated to give the metal a gorgeous color.At the same time, the metal panel is resistant to abrasion and corrosion.The keys' position is ergonomically placed to reduce hand fatigue.