?Programmable for Win/Mac OS?The keyboard is programmable for both Win and Mac OS, the special knob is defined for volume adjustment, almost all of the keys can be defined with specific functions for your work and entertainment. ?Type C-to USB Wired?Type C-to-USB Wired Connection, the only connection for the keyboard to personal PC or laptop tablet, but wired connection is more steady and stable than wireless connection for typing with less time delay. ?Steady Optical Red Switches?The keyboard equipped with hot swappable Gateron red Optical switches, better for gaming with less delay of keystroke, and the switches is hot swappable you can change other optical switches for different use. ?Colorful RGB Shine Through?The 4-Sides transparent keycaps can let the Blue light go through, you will have your own light shine-through keyboard, and the keyboard accept multiple RGB light shine modes switchover by specific keystroke combination. ?Unique Keyboard Theme?The 68 keys keyboard mounted with “Gradient Cyan on Blue Backlit ” themed 4-side transparent ASA profile pudding keycaps, with a knob for volume adjustment as a key interspersed at the right top composed a modern and mystery keyboard.