Please drop your email on "Notify Me When Available" if the product model is out of stock.?No discount codes can be used for C1 Pro.

Keychron C1 Pro QMK/VIA Wired Mechanical Keyboard?has included keycaps for both Windows and macOS.

The only difference between version 1 and version 2 is the chip they use.
C1 Pro Version 1 (C1P-A, C1P-B, C1P-H):?STM32L432KB?
C1 Pro Version 2 (C1P-K, C1P-L, C1P-M): STM32F402RC