Keychron K3 Ultra 8K is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows users to customize any key or macro command on its 75% compact layout through the Keychron Launcher web app.  Powered by ZMK firmware, it enables an 8K polling rate in wireless mode while delivering up to 550 hours of battery life. In addition, it includes LSA (low-profile spherical-angled) keycaps and is fully compatible with Windows, macOS, and Linux.

This product is a pre-sale item, and shipping is expected to begin in June.