TKL Layout Wired Mechanical Keyboard: The C1 Pro is a wired mechanical keyboard with a classic TKL (80%) layout and many premium features like QMK/VIA support, PBT keycaps, a 1000 Hz polling rate, included keycaps for both Windows and macOS, etc., which provides endless possibilities and a comfortable typing experience. OEM Profile Double-Shot PBT Keycaps: Engineered with double-shot keycap set will provide excellent oil resistance, enhance the type feel, and prevent the legends from fading out. The 22+ types south-facing RGB LED designs to better illuminate the keyboard backlight from the typists angle with the premium non-shine-through PBT keycaps installed. The backlight is also free from interference when the users install Cherry-profile alternative keycaps on the keyboard. Full QMK and VIA support: You can easily program and remap each key on the keyboard. The open-source firmware means endless possibilities for keyboard layouts, shortcuts, backlight effects, and more