Amazon.com: Keychron K1 87 Key Ultra-Slim Wireless Bluetooth/USB Wired TKL Tenkeyless Mechanical Gaming Keyboard, RGB LED Backlit Low Profile Blue Switches for Mac Windows, N-Key Rollover, Version 5 : Video Games
Keychron K1 and K2 - For all the things they did right (mini review in the comments) : r/MechanicalKeyboards
Keychron K1 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K1 SE Wireless Mechanical Keyboard (Version 5)
Keychron K1 Pro review: performance, specs, cost
Amazon.com: Keychron K1 Bluetooth Mechanical Keyboards,Wireless Mechanical Gaming Keyboard with Low Profile Gateron Red Switch/White LED Backlight/USB C, 87 Keys N-Key Rollover for Mac,Windows PC Gamer-Version 4 : Video Games
Amazon.com: Keychron K1 SE, 87 Keys Ultra-Slim Wireless Bluetooth/USB Wired Mechanical Keyboard with White LED Backlit, Hot Swappable Low-Profile Gateron Mechanical Brown Switch Compatible with Mac Windows : Video Games
Keychron K1: Main Discussion
Keychron K1 Pro review: low-profile goes pro - General Discussion Discussions on AppleInsider Forums