?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. ?Colorful RGB Backlit?The keyboard accept multiple RGB light shine modes switchover by specific keystroke combination, the Plum Blossoms PBT keycaps are not transparent cannot let the RGB light go through, if you want a light shine-through keyboard, you can find other transparent keycap set to replace this original. ?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. ?Unique Keyboard Theme?The 68 keys keyboard mounted with “Plum Blossoms” themed cherry profile pbt keycaps, the Plum Blossom Keycaps is one of our most popular keycap set in the market, it's mounted beautiful with the keyboard.