?Ergonomic & Durable PBT Keycaps?The MDA profile stepped keycaps and two-step kickstand provide a comfortable typing angle and reduce your hand wrist fatigue; Thick PBT keycaps make this keyboard more durable and not easy to fade; and extra personalized dye-sublimation keycap available for DIY; A rotary knob to control the volume/play/pause. ?82 Keys Compact Design & Gorgeous RGB Effect?75% mechanical keyboard, more spaces left for mouse movements; 18 RGB backlight modes and 8 backlight color on board, experience stunning RGB lighting effects that bring your keyboard to life. ?N-Key Rollover? All keys non-conflict, This 75% percent keyboard allow multiple keys to work simultaneously, suitable for gamer, typist, programmer, writer etc.And this keyboard is Wide Compatibilty, it adapt to Windows 7/ 8/ 10 or Later /Mac. ?PC Material Positioning Board Plate?Flexible feel; creating lesser noise; with linear red switch and bottom silent sponge; to create a silent mechanical keyboard; ideal for use in the office or other quiet environments.a quieter keyboard with less key vibration. ?Gasket Mounted Keyboards?Gasket mount is a keyboard mounting style, gasket mount uses gasket material between the plate and keyboard housing on both top and bottom sides. This gives the board a slightly cushioned feel since the plate isn’t in direct touching with the other components of the keyboard, create a softer typing feeling and typing sounds. The unwanted noise can be reduced without changing the tactile feel. ?Mechanical Red Switch?The red switch characterized for being linear and smoother, slight key sound with minimal resistance, but fast action without a tactile feel; easy to tap the keyboard. ?Hot-Swappable 75% Keyboard?Offers premium hot-swappable sockets, allowing users to swap desirable 3-pin or 5-pin mechanical switches afterwards without soldering issue.