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Keychron K4 Ultra 8K Wireless Custom Mechanical Keyboard
Keychron
Full SizeHot-swappableUSB-C + Bluetooth + 2.4GHzStandard Profile
Keyboard Overview
Keychron K4 Ultra is a wireless custom mechanical keyboard with a sleek, durable build. It supports 2.4 GHz, Bluetooth, and wired connections. Through the Keychron Launcher web app, users can remap keys and create macro commands on its 96% compact layout. Powered by ZMK firmware, it enables an 8K polling rate in wireless mode while delivering up to 600 hours of battery life. It is also fully compatible with Windows, macOS, and Linux.
Last Updated: July 10, 2026
Physical Specifications
Physical Specifications
LayoutFull Size
Width391.29mm
Depth140.27mm
Height30.87mm
Weight1.24kg
Mount Type
Case MaterialABS
Plate MaterialSteel
Hot-swappableYes
ConnectivityUSB-C + Bluetooth + 2.4GHz
RGB SupportYes
KeybindingCustom
Keycap Profile
Keycap ProfileOSA
Keycap MaterialPBT
Keycap Printing MethodDouble-shot
Keycap IncludedYes
Default Switch
Switch ProfileStandard Profile
Switch ProfileKeychron Apex Switch
Other
Battery Capacity4000mAh
Battery Life600 hours
Vendor Information
Vendor Information
keychron
114.99 USD
Note: Price information may not be accurate. Please verify the current price on the vendor's website.
Last Updated: 7/10/2026
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