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Keychron B4 Pro Ultra-Slim Wireless Keyboard
Keychron
Full SizeTray MountUSB-C + Bluetooth + 2.4GHzLow Profile
Keyboard Overview
Keychron B4 Pro is a 96% ultra-slim wireless keyboard. It supports 2.4 GHz, Bluetooth 5.2, and a wired connection.
Last Updated: September 5, 2026
Physical Specifications
Physical Specifications
LayoutFull Size
Key Count100
Width376.8mm
Depth118.9mm
Height14.2mm
Weight0.49kg
Mount Type
Mount TypeTray Mount
Case MaterialABS
Plate MaterialABS
Hot-swappableNo
ConnectivityUSB-C + Bluetooth + 2.4GHz
RGB SupportNo
KeybindingCustom
Keycap Profile
Keycap ProfileLow Profile
Keycap MaterialABS
Keycap IncludedYes
Default Switch
Switch ProfileLow Profile
Connector TypeScissor Switch
Switch ProfileScissor Switch
Other
Battery Capacity800mAh
Battery Life300 hours
Vendor Information
Vendor Information
keychron
39.99 USD
Note: Price information may not be accurate. Please verify the current price on the vendor's website.
in stock
Last Updated: 9/10/2026
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