Keychron K3 Ultra 8K White 75% Wireless Mechanical Keyboard with Tactile Brown Switches, Hot-Swap, RGB, ZMK, 8K Polling, 2.4 GHz, Bluetooth 5.2 and USB-C

Expert Features

• Compact 75% Layout: Keep the function row and arrow keys in a slim layout that saves desk space.
• 8K Polling Rate: Get an 8,000 Hz polling rate in 2.4 GHz wireless and wired modes; Bluetooth polling is 125 Hz.
• Three Connection Modes: Connect by 2.4 GHz, Bluetooth 5.2, or USB-C wired. Bluetooth can pair with up to three devices.
• Tactile Brown Switches: Keychron Milk POM Brown switches give each keystroke a tactile feel in a low-profile design.
• Hot-Swappable Switches: Replace compatible Keychron Milk POM switches without soldering.
• ZMK Customization: Remap keys and set up macros through the Keychron Launcher web app.
• Per-Key RGB: Customize the north-facing RGB backlight, including per-key lighting and Mix RGB effects.
• Long Battery Life: The 2,600 mAh battery lasts up to 550 hours with the backlight off.
• Broad OS Support: Compatible with macOS, Windows, and Linux.
• PBT Keycaps and Wood-and-Metal Frame: Low-profile LSA double-shot PBT keycaps pair with the keyboard’s aluminum-and-wood body.

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  Expert Specs

  Specification	Details
  Model	K3U-Q3Z
  Product	Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard
  Configuration	Fully assembled
  Color	White
  Layout	75% compact
  Switches	Keychron Milk POM Brown, tactile, low-profile
  Hot-swappable	Yes
  Connectivity	2.4 GHz wireless, Bluetooth 5.2, USB-C wired
  Polling rate	8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth
  Bluetooth device capacity	Up to 3 devices
  Firmware and customization	ZMK; Keychron Launcher web app
  Backlight	North-facing RGB LED; per-key RGB and Mix RGB
  Keycaps	LSA double-shot PBT, non-shine-through
  Body material	Aluminum and wood
  Plate material	Anodized aluminum alloy
  Bottom case material	ABS plastic
  Stabilizers	Plate-mounted
  Battery	Rechargeable 2,600 mAh lithium-polymer
  Wireless working time	Up to 550 hours with backlight off
  Compatible systems	macOS, Windows, Linux
  Dimensions	320.62 × 126 mm
  Front height	16.55 mm without keycaps
  Back height	20.1 mm without keycaps
  Feet height	2 mm
  Weight	566 g ± 10 g
  Operating environment	−10°C to 50°C
  Bluetooth device name	Keychron K3 Ultra 8K