

Low-Profile Keychron Mechanical Switch
The redesigned low-profile Keychron mechanical switch is 40% slimmer than conventional switches with a 50 million keystroke lifespan to provide unrivaled tactile responsiveness.

MX-Styled Stabilizers
The MX-styled stem and stabilizers design will enhance keyboard reliability, and deliver better typing experiences.
Keychron K3 Low-Profile Wireless Mechanical Keyboard

Keychron K3 is a compact 75% layout white backlit Bluetooth mechanical keyboard designed for Mac and Windows, designed to maximize your workspace and improve productivity. It has all the necessary multimedia and function keys, providing two reliable connection modes, wireless and wired.


84-keys
Compact 75% Layout
A low-profile compact 75% layout (84-keys) wireless mechanical keyboard.
Low-Profile Keys
Ultra-Slim Body
The redesigned low-profile Keychron switch is 40% slimmer than conventional normal profile switches.
Switch Operating Systems
Support macOS / Windows
Offers layout compatible with Mac and Windows. Includes keycaps for both macOS and Windows.
Wireless and Wired
Multi-Device Connectivity
Connect up to 3 devices via the stable Broadcom Bluetooth 5.1 chipset and switch easily.

Low-Profile Keychron Mechanical Switch
The redesigned low-profile Keychron mechanical switch is 40% slimmer than conventional switches with a 50 million keystroke lifespan to provide unrivaled tactile responsiveness.

MX-Styled Stabilizers
The MX-styled stem and stabilizers design will enhance keyboard reliability, and deliver better typing experiences.
Low-Profile Keycaps
North-facing White Backlit
Ergonomic Support
Up to 34 Hours
The K3 is equipped with MX-style keycaps for improved reliability and a better typing experience.
The north-facing white LED is designed to better illuminate backlight from the typist’s angle.
Three levels of adjustable typing angle aim to provide long-lasting ergonomic wrist support.
A single charge provides up to 34 hours of continuous use (at minimum brightness).
Keychron K3 Low-Profile Wireless Mechanical Keyboard

Keychron K3 is a compact 75% layout white backlit Bluetooth mechanical keyboard designed for Mac and Windows, designed to maximize your workspace and improve productivity. It has all the necessary multimedia and function keys, providing two reliable connection modes, wireless and wired.
Bluetooth Connection Steps
- Slide the toggle switch to the Bluetooth position.
- Hold Fn + 1 until the Bluetooth indicator flashes repeatedly.
- Enable Bluetooth on your device, search for the keyboard, and connect.
Bluetooth connection video: see troubleshooting guide for details.
Bluetooth Not Connecting? Try These Steps
- Factory reset the keyboard: Hold Fn + Z + J for 4 seconds.
- Power cycle all devices, including your computer and keyboard.
- Disable auto-sleep mode: Hold Fn + S + O for 4 seconds.
- Test the keyboard with other devices (phone, tablet, iPad, etc.). If it connects, the keyboard itself is working fine.
For Windows
- Uncheck "Allow the computer to turn off the keyboard to save power" in power management under the device manager.
- Update the Bluetooth firmware If it's still possible for your keyboard to connect toyour device: see troubleshooting guide for details.
- Reset the Bluetooth drivers on your PC.
For macOS
- Check Mac’s Wi-Fi and Bluetooth interference: see troubleshooting guide for details.
- Try these troubleshooting tips: see troubleshooting guide for details.
Can't Type After Waking Up Mac?
This issue is caused by Apple's FileVault, which prevents third-party Bluetooth keyboards from unlocking the login screen. Keychron keyboards support FileVault login in wired mode only.
Solutions:
- Turn off FileVault to enable normal login.
- Use a wired connection to enter your password. Keychron keyboards support FileVault login in wired mode only.
Typing experience of the switch is not as expected
The low-profile switch has a lower height or thinner body, it will trigger a keystroke faster than conventional normal profile switch.
| Dimension | 306 x 116 x 22 mm / 12.05 x 4.57 x 0.83 Inch |
|---|---|
| Weight | About 483g / 1.06lbs |
| Number of Keys | 84 keys |
| Switches | Low profile Keychron mechanical Switch |
| Frame Material | ABS+Aluminum frame |
| Keycap Material | ABS |
| Backlit | White Backlit |
| Polling Rate | 1000Hz (Wired Mode) / 90Hz (Wireless Mode) |
| Connection | Bluetooth and Type-C cable |
| Battery | 1550mAh Rechargeable li-polymer battery |
| Compatible System | macOS/Windows |
| Operating Environment | -10 to 50? |
| BT Working Time | Up to 34 hours (Lowest brightness) |
| Number of Multimedia Keys | 12 |









































































