Mechanical keyboard, 4-key gaming keyboard, fully programmable knob and keys, OSU hot-swappable numeric keypad with RGB lighting effects, suitable for game editing Photoshop 4-key functions: All keys on the macro keyboard are programmable. Customizable programmable key functions include the regular 104 keys, web navigation keys, multimedia shortcuts, scroll lock, Windows lock, PrtSc system shortcuts, etc. Each key can be set to any of the above functions. Unlocking endless possibilities for any industry, whether for daily use or professional applications. The mini keyboard is equipped with a macro knob, ideal for improving work efficiency and smooth gaming. The knob (rotate left and right, press) is programmable and can also be rotated infinitely (up to 18 characters at a time). You can set it to functions such as volume adjustment (+/-), previous/next page, decrease/increase, forward/backward, etc. as needed. Macro functions on the keyboard can be used in combination, supporting up to 349 key commands. Users can also add delay commands to meet various complex usage scenarios, such as: office software, CAD/AE/PR/PS shortcuts, various user accounts and passwords, game tips, basic code commonly used by programmers, etc. For example, the "Settings" button can trigger a series of operations, such as "Ctrl + A 0.5 seconds Ctrl + C 0.5 seconds Ctrl + V", etc. 1- Multi-level switching & Wireless storage: Equipped with a multi-level switching button, it can easily cope with various usage scenarios and greatly improve work efficiency. In addition, it is also a powerful tool for gaming. It supports onboard storage; after setting keyboard keys, the keyboard will automatically remember the key functions and can be switched at will. It is an ideal choice for gamers, designers, and office workers.