The Fully Assembled version includes:

The keyboard PCB, the plate, the case, and the foams. Keycaps (including Mac & Windows keycaps). Adjustable-actuation-point Keychron Ultra-fast Lime Magnetic Switch.

The C4 HE 8K is compatible exclusively with the Keychron Ultra-fast Lime Magnetic Switch. It does not support other magnetic switches, such as the Gateron Magnetic Jade or Gateron KS-20 Magnetic switches. Please drop your email on "Notify Me When Available" if the product model is out of stock.No discount codes can be used for C4 HE 8K version.