The keyboard and mouse have flashing indicators to provide greater accuracy. Longevity and durability make the keyboard and mouse give you a great sense of superiority in the game. Full keys Anti-ghosting-Professional Full keys Anti-ghosting without conflict. Special for video games. Space Saver-Perfect 104 keys structure, save a lot desk space, and never let you feel uncomfortable with the missing of numpad keys. Real Legit Mechanical Keyboard- keys feel solid and responsive,"clicky" sound give you best gaming experience,great tactile and accurate. New Update Version-easy to changing and gives more gamingatmosphere.Lighting is very helpful when you play or work at a dark surround.