You can also order it on BestBuy if you're in the USA. Keychron B1 Pro is an ultra-slim wireless keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. 

B6 Pro Keyboard: Layout: 100% Full Size Switch: Scissor switch Usage Duration: Up to 300 hours Connectivity: 2.4 GHz / Bluetooth 5.2/ Wired Support OS: macOS/Windows/Linux BM24 Mouse: Usage Duration: Up to 98 hours in Bluetooth mode Connectivity: 2.4 GHz / Bluetooth 5.2 / Wired...

Keychron K10 QMK Wireless Mechanical Keyboard (Version 2) allows anyone to master any keyboard keys or macro commands through Keychron Launcher web app, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze....