Add on for K5 keycaps

Keychron K5 Ultra-Slim Wireless Mechanical Keyboard (US ANSI Layout)

Keychron K1 Wireless Mechanical Keyboard (Version 5)

Keychron K1 SE Wireless Mechanical Keyboard (Version 5)

Low Profile Keychron Optical Switch Set - 87 Pcs

Gateron Low Profile 2.0 Mechanical Switch

Keychron Low Profile Mechanical Switch