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 20 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. Quiet+ Red Switches - 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. Easy to update it with your wished switch, no forum researching is required. Original Aluminum Board - Upgraded K556 PRO version keeps using the same 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. 3-Mode Connection - Geared with Redragon innovative tri-mode connection technology, USB-C wired, BT 3.0/5.0 & 2.4Ghz wireless modes which make the user experience upgraded to another level in all fields.