Pro Software Supported: Expand your options using the available software to design your own new modes and effects found on redragonshop. Macros with different keybindings or shortcuts for more efficient work and gaming. Vibrant Groovy RGB: Up to 18 presets backlighting modes are free to choose by the keyboard itself. Brightness and flowing speed is also adjustable on board. Select your own preferred modes for any playing. Blue Gradient Keycaps: Gradient Color Design with shine through font, with lights to make the mechanical keyboard RBG lighting effect more dazzling and create a gaming atmosphere. Bring you a more pleasant mood during games or work. Hot-Swappable Red Switches: Hot-swappable with almost all switch types in the market no matter 3-pin or 5-pin. Quiet basic linear mechanical switches, soft key travel makes every click easy to register. Along with 3.5mm sound absorbing foam, delivers a clear and crisp typing sound with no sick noise. Original Aluminum Board - K556 features the tank-solid aluminum metal board material covered with the classic brushed surface process. Keep the keyboard steady and elegant on the desk, for a premium typing experience. YES! TRUE HOT-SWAP - The transformative innovation with 99.8%+ switches compatible free-mod hot swappable Redragon keyboard is available now. The unique exclusive structure design of the socket makes the switch mounting easier and less wobbling.