Please note that you need to choose the variant of add-ons for Q4 HE first, and then add to cart.

Palm Rest

Switches

Keycaps for ANSI (US) layout

These keycap sets have the variant compatibale with Q4 HE, and they all have additional keycaps for Windows and macOS.

Keycaps for ISO layout

These keycap sets have the variant compatibale with Q4 HE, and they all have additional keycaps for Windows and macOS.