Keychron K5 Max QMK/VIA Wireless Custom Mechanical / K5M-B3-RU

Quick overview from the supplier:

Keychron K5 Max QMK/VIA Wireless Custom Mechanical Keyboard Russian Layout (K5M-B3-RU), Ultra-slim, Full Size layout, RGB Backlight, Gateron Low-Profile 2.0 Mechanical Brown Switch, 2.4GHz&Bluetooth, USB Type-C, gamer (tastatura/клавиатура)