Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard 75% Layout and a USB wired connection

and a USB wired connection

Keychron K1 SE Wireless mechanical keyboard has included keycaps for both Windows and Mac operating systems

AND FOR K1 VERSION 4 ONLY

Double-shot OSA PBT keycaps (including Mac & Windows keycaps)

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard 75% Layout and a USB wired connectionKeychron K3 Max is an ultra slim wireless custom mechanical keyboard. It supports 2. 4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% compact layout through VIA. Besides, it has included LSA (low profile spherical angled) profile keycaps for both Windows and macOS, and users can hot swap with Gateron low profile MX mechanical switch in a breeze (for RGB Backlight Hot Swappable Version only). No