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. New marvelous music sync mode will light up your desktop discotheque vibe, quite a light show to get immersed. 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. Easy to mod or update it with your wishing preference, no forum researching required. 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. Practical Smart 78 Keys - Redragon 75% layout K628 pro in 3-modes meets the user's need for separate arrow keys and number keys. The 78-key layout provides the ultimate balance of compactness and 104-key functionality, allowing for the smoothest habit curve. 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.