Keychron K5 Bluetooth Mechanical Keyboard

In the Box

• Keychron K5 Bluetooth Mechanical Keyboard x 1
• Type-C Cable x 1
• Manual x 1
• Quick Start Guide x 1
• Extra Keycaps Set x 1

Quick Start Guide: Keycap Replacement

If you are a Windows user, please find the appropriate keycaps in the box, then follow the instructions below to find and replace the following keycaps.

Mac / Windows Keyboard Layout: A detailed diagram of the Keychron K5 keyboard layout is provided, showing standard key placement. Specific keys for Windows replacement are indicated.

Getting Started: Connectivity

Connecting Bluetooth

1. Connect Bluetooth

Diagram Description: Illustration showing a laptop and the Keychron K5 keyboard. A toggle switch on the keyboard is shown set to 'Bluetooth'.

Instruction: Press Fn + 1 for 4 seconds to enter pairing mode. The device name will appear as 'Keychron K5'.

Connecting Cable

2. Connect Cable

Diagram Description: Illustration showing a laptop, a USB Type-C cable, and the Keychron K5 keyboard. A toggle switch on the keyboard is shown set to 'Cable'.

Instruction: Connect the keyboard using the provided Type-C cable.

Customization and Functionality

Changing Light Effect

3. Change Light Effect

Instruction: Press the light effect key (often indicated by a light bulb icon) to cycle through lighting effects.

Instruction (RGB Version): For RGB version, press Fn + Right Arrow / Left Arrow to change color.

Switching Function and Multimedia Keys (F1-F12)

4. Switch Between Function and Multimedia Keys (F1-F12)

For Windows: Press Fn + X + L (for 4 seconds) to switch.

For Mac: Go to System Settings > Keyboard > and enable the function keys. To use F5 & F6 as function keys, press Fn + K + C (for 4 seconds) and use the same shortcut to switch back.

Power Management and Voice Assistants

Disable Auto Sleep Mode

5. Disable Auto Sleep Mode

Text: The keyboard enters Auto Sleep Mode in 10 minutes of sitting idle to save battery.

Instruction: Press Fn + S + O (for 4 seconds) to disable the Auto Sleep Mode. To re-enable, press Fn + S + O for 4 seconds again.

Activate Siri / Cortana

6. Activate Siri / Cortana

For Siri on Mac: Go to System Preferences > Siri > select the 'Press Fn (Function) Space' option. (Siri key only works on macOS and does not work on iOS.)

For Cortana on Windows: Select Start > Settings > Cortana and select the shortcut by pressing Windows key + C key. (Windows Cortana is only available for Windows 10 and above OS. Cortana is only available in certain countries/regions and might not work everywhere.)

Specifications

Keychron K5 Specifications

• Number of keys: 104 key
• Switch type: Mechanical
• Battery: 2000mAh
• Working time: Around 35 hours with backlight on.
• Charging time: Around 3 hours
• Charging port: USB Type-C
• Mode: Bluetooth/Wired
• Bluetooth operating distance: Within 10 meters (open space)
• Name of Bluetooth device: Keychron K5
• Operating Environment: -10 to 50°C

Keyboard Overview

Keychron K5 Keyboard Overview

Diagram Description: Top-down view of the Keychron K5 keyboard layout. A side view showing ports and switches. A bottom-up view of the keyboard with numbered indicators.

Indicators:

1. Caps Lock Indicator
2. Battery Indicator
3. Type-C Port
4. Bluetooth OFF Cable (Mode Toggle Switch)
5. Win/Android Mac/iOS (OS Toggle Switch)

LED Status and Charging

LED Status Overview

LED Status Table:

Battery Indicator (Power Indicator):

• Low battery: Blinking Red
• Charging: Static Red
• Fully charged: Static Green

Bluetooth Indicator:

• Pairing: Slow Blinking
• Paired: Light Off
• Switching: Fast Blinking

Charging

Plug the cable into a USB port and the other end into the keyboard port.

Charging Indicator: When battery is below 15%, a red battery blinking indicator will be triggered. A red light will stay on while charging; fully charged in around 3 hours, a green battery indicator will appear.

* Keychron K5 is compatible with all USB ports. For best performance, use a 5V 1A adapter or USB 3.0.

* The Keychron K5 can be charged in Bluetooth/on/off mode.

* Under wired mode, the charging indicator will not turn off.

* This product supports up to 5V charging voltage and 1A charging current. Keychron is not responsible for issues caused by improper charging.

Backlit Settings

Short press the light effect key (often indicated by a light bulb icon ?) to switch between different types of lighting effects.

When backlit is on, press the Down Arrow button to switch among them. Short press Fn and Left Arrow or Fn and Right Arrow to adjust light colors (For RGB version only).

Bluetooth and Wired Modes

Wired Mode

1. Switch the toggle switch to Cable option (works only when a USB cable is plugged in).
2. Connect the cable with your PC and keyboard.
3. Backlit will be turned on.

* Under Wired Mode, the keyboard will not enter Battery Saver Mode.

Bluetooth Mode

1. Switch the keyboard to Bluetooth option.
2. Backlit will be turned on.
3. Hold Fn + 1 key for 4 seconds to activate Bluetooth pairing (Bluetooth indicator flashes for 3 minutes).
4. Search for the Bluetooth device 'Keychron K5' on your device and connect it (Bluetooth indicator turns off after successful pairing).

Note: This keyboard supports pairing up to 3 devices simultaneously via combination key Fn + 1 / Fn + 2 / Fn + 3.

* Slow or failed connections may occur due to different Bluetooth versions. Ensure device settings are correct.

Switch Bluetooth Devices

Short press combination key Fn + 1 / Fn + 2 / Fn + 3 to switch to other devices.

Reconnect

1. Switch the keyboard to the Bluetooth option to activate it (connects to the last connected device by default).
2. The Bluetooth indicator flashes for 4 seconds and automatically pairs with the last paired device.
3. If the Bluetooth indicator is off, press any button to enter the connection again.

*The keyboard must have been paired with the device to perform this function.

Turn Off Keyboard

Switch the mode toggle to 'Off'.

Battery Saver

Under Bluetooth mode, the keyboard backlight turns off when inactive for 10 minutes. Tap any button to wake the keyboard.

To disable auto battery save mode, press Fn + S + O for 4 seconds. To re-enable, press Fn + S + O for 4 seconds.

Operating System and Input Method Switching

OS Switch

1. MAC/iOS: Turn the switch to Mac/iOS when connected to a Mac or iOS operating system.
2. WINDOWS/ANDROID: Switch the toggle to Windows/Android when connected to a Windows or Android operating system.

*When using the Windows/Android mode, the Alt keys are used for 'Windows' and 'Alt' functions.

Input Method Switch

For iOS:

Input method switch: Ctrl + Space

Caps Lock: Caps (Enable General > Keyboards > Hardware Keyboard > Caps Lock Language Switch).

For Android:

Input method switch: Shift or Shift + Space

NOTE: Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of Windows/Android OS. It is recommended not to switch OS frequently as it may impact keyboard operations.

Troubleshooting

Unable to Pair Keyboard

Confirm the device is Bluetooth-capable. Restart the device and try pairing again.

Note: On Windows, new Bluetooth connections may require software updates. Wait at least 20 minutes after pairing before restarting the computer.

Confirm device settings: Allow Bluetooth devices to find this computer, Allow Bluetooth devices to connect to this computer, Alert me when a Bluetooth device wants to connect.

My Keyboard Isn't Working

For keyboard: Turn the keyboard off and back on.

For computer: Turn Bluetooth off and restart the computer (Windows).

For device: Go to Bluetooth settings, turn off Bluetooth, and 'forget' the keyboard. Restart the device and turn on Bluetooth to reconnect.

Bluetooth Connection Interrupted (within 10m)

Check if the keyboard is resting on a metal surface that can interfere with the Bluetooth signal.

Third-Party Input Tools Incompatibility

Due to compatibility, versions, brands, and drivers of Windows/Android OS, third-party input tools may be affected. Ensure your operating system and drivers are up to date.

Certain Fn Keys or Multimedia Keys Not Working (Windows/Android Mode)

Functions may be disabled due to compatibility, versions, brands, and drivers of Windows/Android OS.

Safety Precautions and Compliance

Precautions

• Keep product, accessories, and packaging out of reach of children to prevent accidents and choking hazards.
• Keep the product dry to avoid corrosion.
• Do not expose the product to extreme temperatures below -10°C (5°F) or above 50°C (131°F) to preserve lifespan.

Compliance

Federal Communications Commission (FCC) Compliance Statement: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Contact and Support

Keychron, Inc.

Dover, DE 19901, United States

Find us at:

Website: https://www.keychron.com

Support Email: Support@keychron.com

Social Media:

• Facebook: @keychron
• Instagram: @keychron
• Twitter: @keychronMK

Designed by Keychron

Made in China

China General Agent: 渴创技术(深圳)有限公司 (KeChuang Technology (Shenzhen) Co., Ltd.)

Implementation Standard: GB/T 14081–2010

Customer Service Hotline: 400-0766268

Address: Room 201, Building 2, Dafu Road No. 24, WenKeng Industrial Zone, Bantian Street, Longgang District, Shenzhen City.