Feature:1. Special Keyboard for Games: The mechanical keyboard has built in professional grade game chips, which run faster, operate sensitively, and have no punching in all keys2. Function Area and Number Area: The function area of the 87 keys of the wired keyboard can be converted into a number area, and when converted into a number area, can be used as 104 keys (FN+PB=function area and up keys up key change to 1234567890)3. Ergonomic Design: The gaming keyboard features a stepped design, which reduces wrist pressure for greater comfort4. Blue Switch: The office keyboard is a blue switch body, suitable for game office, with crisp percussion, long service life5. Wide Compatible: The wired mechanical keyboard supports USB2.0, USB3.0, compatible for Win 2000, for Win ME, for Win XP, for Win Vista, for Win7, for HarmonyOS, for Win8, for Win10, for IOS and other systemsSpecification:Item Type: Mechanical KeyboardMaterial: ABSShaft Body: Blue SwitchNumber of Keys: 87 KeysLighting: Monochromatic White Light, Multiple Lighting ModesConflict of Key Positions: No Collision for All KeysErgonomics: SupportConnection Method: USB2.0, USB3.0Compatible Systems: For Win 2000, for Win ME, for Win XP, for Win Vista , for Win7, for HarmonyOS, for Win8, for Win10, for IOS and Other Systems.Package List:1 x Mechanical Keyboard1 x Key Puller1 x User Manual