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
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 illustrating the Keychron K5 keyboard layout, showing all keys including the function row (F1-F12), alphanumeric keys, modifier keys (Ctrl, Option, Command, Alt, Shift), navigation cluster (Insert, Home, Page Up, Delete, End, Page Down), and special keys like Esc, Tab, Caps Lock, and Enter. Specific keycap replacements for Windows users are indicated.
Getting Started
1. Connect Bluetooth
Steps:
- Switch the toggle to Bluetooth mode [Bluetooth/Cable toggle switch].
- Press and hold the
fn + 1keys for 4 seconds to enter pairing mode. The keyboard's Bluetooth name is 'Keychron K5'.
Diagram: Illustration showing a laptop and the Keychron K5 keyboard, with an indicator for switching to Bluetooth mode and a visual cue for pressing fn + 1.
2. Connect Cable (Wired Mode)
Steps:
- Switch the toggle to Cable mode [Bluetooth/Cable toggle switch]. This mode only works when a USB cable is plugged in.
- Connect the included Type-C cable to your PC and the keyboard.
- The backlight will turn on. Under Wired Mode, the keyboard will not enter into Battery Saver Mode.
Diagram: Illustration showing a laptop, a USB Type-C cable, and the Keychron K5 keyboard, with an indicator for switching to Cable mode.
Features and Functions
3. Change Light Effect
Press the light effect key to cycle through different lighting effects.
For RGB version: Press fn + right arrow or fn + left arrow to change backlight colors (for static color mode).
Diagram: Keyboard diagrams showing the location of the light effect key and the fn + arrow keys combination for color adjustment.
4. Switch Between Function and Multimedia Keys (F1-F12)
For Windows: Press and hold fn + X + L for 4 seconds to switch.
For Mac: Go to System Settings > Keyboard > Enable the function keys. For F5 & F6 as function keys, press fn + K + C for 4 seconds to switch.
Diagram: Shows the fn + X + L combination for Windows and a workflow diagram for Mac: Settings > Keyboard > Enable function keys.
5. Disable Auto Sleep Mode
The keyboard enters Auto Sleep Mode after 10 minutes of inactivity to save battery. To disable this mode, press and hold fn + S + O for 4 seconds. To re-enable it, press fn + S + O again for 4 seconds.
Diagram: Shows the keyboard with an auto-sleep indicator and the fn + S + O key combination.
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 not on iOS.)
For Cortana on Windows: Select Start > Settings > Cortana and select the shortcut by pressing Windows key + C. (Cortana is only available for Windows 10 and above OS. Availability may vary by region.)
Diagram: Illustrates the steps for activating Siri on Mac and Cortana on Windows, showing icons for Settings, Siri, and the Win + C shortcut.
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 Windows/Android mode, the Alt and Command keys (or equivalent) are used for "Windows" and "Alt" functions.
Diagram: Shows the OS toggle switch on the keyboard.
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:
ShiftorShift + 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.
LED Status Overview
| LED Location | Function | Status |
|---|---|---|
| Battery indicator | Charging | Low battery - Blinking Red Charging - Static Red Fully charged - Static Green |
| Bluetooth indicator | Bluetooth | Pairing - Slow Blinking Paired - Light Off Switching - Fast Blinking |
Function Description: 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.
*The Keychron keyboard is compatible with all USB ports. Use a 5V 1A adapter or USB 3.0 for best performance. The Keychron K5 can be charged in Bluetooth/on/off mode.
*This product supports up to 5V charging voltage and 1A charging current.
Backlit Setting
- Short press the light effect key [Light effect key icon] to switch between different types of lighting effects.
- When backlit is on, press the
fn + left arroworfn + right arrowto adjust light colors (For RGB version only).
Reconnect
- Switch the keyboard to the Bluetooth option to activate it. It will connect to the last connected device by default.
- The Bluetooth indicator flashes for 4 seconds and automatically pairs with the last paired device.
- If the Bluetooth indicator is off, press any button to enter the connection again.
*The keyboard must have been paired with the device previously.
Turn Off the Keyboard
Switch the mode toggle to "Off".
Switch Bluetooth Devices
Short press the combination key fn + 1, fn + 2, or fn + 3 to switch between paired devices.
Specifications
K5 Bluetooth Mechanical Keyboard Specifications:
- Number of keys: 104 key
- Switch type: Mechanical
- Battery: 2000mAh
- Working time: Around 35 hours with the 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
Technical specifications are subject to change without notice.
Troubleshooting
Unable to pair keyboard to device
Confirm the device is Bluetooth-capable. Restart the device and try pairing again.
Note for Windows: New Bluetooth connections may require software updates. Wait at least 20 minutes after pairing for updates to complete before restarting the computer.
Ensure the device is configured to accept Bluetooth connections (Windows) and supports an external keyboard (HID profile).
Settings check: Go to Bluetooth Devices > Open Settings and select:
- 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 the keyboard: Turn the keyboard off and back on.
- For the computer (Windows): Turn Bluetooth off and restart the computer.
- For the device: Go to Bluetooth settings, turn off Bluetooth, and "forget" the keyboard. Restart the device and turn on Bluetooth to reconnect.
Bluetooth connection is interrupted even within 10 meters
Check if the keyboard is resting on a metal surface that can interfere with the Bluetooth signal.
Third-party input tools are not compatible with the keyboard
Due to compatibility, versions, brands, and drivers of Windows/Android OS, functions of third-party input tools may be affected. Ensure your operating system and drivers are up to date.
Certain fn keys or multimedia keys do not work under Windows/Android mode
Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of Windows/Android OS.
Safety Precautions
- Keep the product, accessories, and packaging parts out of reach of children to prevent accidents and choking hazards.
- Always 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 the lifespan of the keyboard and battery.
Compliance Information
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 radio frequency exposure requirements. The device can be used in portable exposure conditions without restriction.
Contact Information
Keychron, Inc.
Dover, DE 19901, United States
Find us at:
- Website: https://www.keychron.com
- Support: Support@keychron.com
- 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 (Ke Chuang Technology (Shenzhen) Co., Ltd.)
Implementation Standard: GB/T 14081–2010
After-sales Hotline: 400-0766268
Address: Room 201, Building 2, Wenkeng Industrial Zone, Dafu Road No. 24, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China
