Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Keychron K6 Bluetooth 5.1 Wireless Mechanical Keyboard. Designed for both Mac and Windows users, the K6 offers a compact 65% layout with a white backlight and Keychron K Pro Red Switches for an optimal typing experience.

Image: The Keychron K6 keyboard, showcasing its compact 65% layout with gray and dark gray keycaps and an orange Escape key.
Product Overview
The Keychron K6 is a compact 65% layout mechanical keyboard featuring 68 keys. It is designed to maximize workspace and enhance productivity with its thoughtful layout and dedicated arrow keys. The keyboard comes with Keychron K Pro Red Switches, offering a linear and smooth typing experience.

Image: A close-up view of the Keychron K6 keyboard, highlighting the 65% layout and the various function key legends.
What's in the Box
- Keychron K6 Mechanical Keyboard
- Keycap Puller
- USB Type-C Cable
- Extra Keycaps for Mac and Windows operating systems

Image: The contents of the Keychron K6 packaging, showing the keyboard, a keycap puller, a USB cable, and a bag of additional keycaps for customization.
Setup and Connectivity
1. Operating System Toggle
The K6 keyboard features a toggle switch on its side to select between Mac and Windows operating system layouts. Ensure this switch is set to your desired operating system for correct key functionality.
2. Wireless (Bluetooth) Connection
- Locate the connectivity mode switch on the side of the keyboard and slide it to the 'Bluetooth' position.
- On your device (computer, tablet, smartphone), enable Bluetooth and search for available devices.
- Select 'Keychron K6' from the list of available devices to pair.
- The keyboard can connect with up to 3 devices. Use the Fn + 1, Fn + 2, or Fn + 3 key combinations to switch between paired devices.
3. Wired (USB Type-C) Connection
- Locate the connectivity mode switch on the side of the keyboard and slide it to the 'Cable' position.
- Connect the provided USB Type-C cable from the keyboard to your computer's USB port.
- The keyboard will automatically be recognized and function as a wired keyboard.

Image: A side view of the Keychron K6 keyboard, showing the USB Type-C port, the Mac/Windows toggle switch, and the Wireless/Wired/Off mode switch.

Image: An illustration depicting the Keychron K6's broad compatibility with different devices and operating systems, including Mac and Windows logos.
Operating the Keyboard
Backlight Settings
The Keychron K6 features a white LED backlight. You can cycle through various backlight modes and adjust brightness using specific key combinations. Refer to the keyboard's quick start guide for detailed key combinations for backlight control.
Video: A demonstration of the Keychron K6 keyboard's features, including its compact design, dual compatibility, wireless and wired modes, multi-device pairing, battery life, and various backlight effects.
Video: A demonstration of the Keychron K6 Bluetooth 5.1 Wireless Mechanical Keyboard, showcasing its typing feel, backlight options, and seamless connectivity.
Key Switches
The K6 is equipped with Keychron K Pro Red Switches, known for their linear behavior and quiet operation. These switches are pre-lubed for a smoother press and have a durable lifespan of up to 50 million keystrokes.
- Operating force: 45 ± 10 gf
- Pre-travel: 2 ± 0.4 mm
- Behavior: Linear
- Sound level: Quiet
- Pre-lubed: Yes
- Lifespan: Up to 50 million keystrokes

Image: A detailed graphic showing the specifications of the Keychron K Pro Red Switch, including operating force, pre-travel, behavior, sound level, pre-lubrication status, and lifespan.
Power and Battery
The K6 keyboard is powered by a large 4000 mAh Lithium Polymer battery, providing extended usage. With the backlight off, the keyboard can last up to 200 hours on a single charge. The keyboard can be charged via the USB Type-C port.

Image: A close-up of the Keychron K6 keyboard with a prominent '4000mAh' overlay, indicating its large battery capacity.
Maintenance and Care
Cleaning Keycaps
To maintain the cleanliness and performance of your keyboard, you can remove the keycaps for cleaning. Use the provided keycap puller to gently remove individual keycaps. Clean the keycaps with a soft, damp cloth and ensure they are completely dry before reattaching them.

Image: The Keychron K6 keyboard shown alongside a keycap puller, demonstrating how to remove keycaps for cleaning or customization.
Troubleshooting
- Bluetooth Connectivity Issues: If the keyboard frequently disconnects or fails to pair, ensure the keyboard is fully charged and within range of your device. Try re-pairing the keyboard or restarting both the keyboard and your device.
- Incorrect Key Layout: Verify that the Mac/Windows toggle switch on the side of the keyboard is set to the correct operating system.
- Backlight Not Working: Check if the backlight is enabled and the brightness is adjusted. Refer to the quick start guide for backlight control key combinations.
- Keyboard Not Responding: Try connecting the keyboard via the USB Type-C cable to rule out battery or Bluetooth issues. Ensure the connectivity mode switch is set to 'Cable' for wired use.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.09 x 12.32 x 1.46 inches (104mm L x 313mm W x 37mm H) |
| Item Weight | 1.17 pounds |
| Manufacturer | Keychron |
| Language | English |
| ASIN | B07ZT412V5 |
| Item Model Number | K6-O1 |
| Batteries | 1 Lithium Polymer battery required (included) |
| Connectivity Technology | Bluetooth 5.1, USB-C |
| Keyboard Description | Mechanical, Wireless and Wired, White Backlit, 65% Compact Layout |
| Recommended Uses | Coding, Gaming, Office |
| Special Feature | Connects with up to 3 devices via Bluetooth, Adjustable feet, Rechargeable battery, White backlit, Ergonomic |
| Keyboard Backlighting Color Support | Single Color (White) |
| Style | Contemporary |

Image: A comparison graphic showing the compact dimensions of the Keychron K6 (65% layout) next to a full-size keyboard, illustrating its space-saving design.
Warranty and Support
For warranty information and customer support, please refer to the official Keychron website or contact your retailer. Keep your proof of purchase for any warranty claims.