Keychron K7 Ultra-slim Wireless Mechanical Keyboard (US ANSI Layout) Switch Type:Low Profile Gateron Mechanical Keychron K4 - Version 2

Keychron K4 - Version 2 (German ISO-DE Layout) 96% Wireless mechanical keyboard has included keycaps for both Windows and Mac operating systems and comes with QWERTZ layout

Each Keychron Lava Optical Switch Set comes with 87 pcs of switches

This set has all the keycaps you need for Q1

Keychron K7 UK ISO layout wireless mechanical keyboard has included keycaps for both Windows and macOS

Keychron K7 Ultra-slim Wireless Mechanical Keyboard (US ANSI Layout) Switch Type:Low Profile Gateron Mechanical Keychron K4 - Version 2Keychron K7 Wireless mechanical keyboard has included keycaps for both Windows and macOS, and users can hotswap every switch in seconds with the hot swappable version. Sorry, It has been discontinued.