Keychron K1 SE Bluetooth Mechanical Keyboard

Introduction

This document provides comprehensive information regarding the Keychron K1 SE Bluetooth Mechanical Keyboard, including its specifications, features, operation, and troubleshooting.

FCC Compliance

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 distance between the equipment and receiver.
Plug the equipment into an outlet on a circuit different from that to which the receiver is currently connected.
Consult the dealer or an experienced radio/TV technician for help.

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

In the Box

K1 Bluetooth Mechanical Keyboard: 1
Type-C Cable: 1
Package: 1
User Guide: 1

87-Keys Keyboard Specifications

Feature	Specification
Number of Multimedia Keys	12
Body Material	Aluminum alloy
Keycap Material	ABS
Backlit	RGB/White
Battery	2,000mAh Li-ion Rechargeable Battery
Working Time	2 - 4 weeks with lights off (varies with use case) / 8 - 40 hours with RGB lighting (varies with brightness levels and use case)
Charging Time	Around 2 hours (USB 3.0)
Charging Port	USB Type-C
Mode	Bluetooth/Wired
Bluetooth Operating Distance	Within 10 meters (open space)
Bluetooth Device Name	K1-keyboard
Size (87-Keys)	355x120x18mm / 13.9 x 4.7 x 0.7 inches
Weight	Around 650g / 22.9 ounces
Operating Environment	-10 to 50°C

Technical specifications can be subject to change without notice. We apologize for any inconvenience caused.

87-Keys Mechanical Keyboard Overview

The MAC keyboard can be modified to the arrangement mode of the WINDOWS keyboard by replacing the dedicated key cap.

Component Identification:

1. Bluetooth Indicator
2. Battery Indicator
3. Type-C Port
4. Bluetooth OFF/Cable (Mode Toggle Switch)
5. MAC/Android/MAC OS (OS Toggle Switch)

104-Keys Keyboard Specifications

Feature	Specification
Number of Multimedia Keys	12
Body Material	Aluminum alloy
Keycap Material	ABS
Backlit	RGB
Battery	2,000mAh lithium ion rechargeable battery
Working Time	2 - 4 weeks with lights off (varies with use case) / 8 - 40 hours with RGB lighting (varies with brightness levels and use case)
Charging Time	About 2 hours
Charging Port	USB Type-C
Mode	Bluetooth / Wired
Bluetooth Operating Distance	Up to 10 meters (open space)
Bluetooth Device Name	K1-keyboard
Size (104-Keys)	435x120x18mm / 17.1 x 4.7 x 0.7 inches
Weight	Around 805g / 28.4 ounces
Operating Environment	-10 to 50°C

Technical specifications can be subject to change without notice. We apologize for any inconvenience caused.

104-Keys Mechanical Keyboard Overview

The MAC keyboard can be modified to the arrangement mode of the WINDOWS keyboard by replacing the dedicated key cap.

Component Identification:

1. Power Indicator
2. Battery Indicator
3. Number Lock Indicator
4. Caps Lock Indicator
5. macOS Indicator
6. Windows OS Indicator
7. Type-C Port
8. Bluetooth OFF/Cable (Mode Toggle Switch)
9. Android/MAC OS (OS Toggle Switch)

Function Description

Charging

Plug the cable into a USB port and plug the other end into the keyboard port. Charging Indicator: When the battery is below 15%, a red battery blinking indicator will be triggered. A red light will stay on while charging; it is fully charged in around 2 hours, and a green battery indicator will appear.

The keyboard is compatible with all USB ports. Please use a 5V/1A adapter and USB 2.0 or 3.0 for the best performance. The K1 keyboard can be charged in Bluetooth on/off mode.

This product supports up to 5V charging voltage and 1A charging current. Shenzhen Bipu Technology Co., Ltd is not responsible for any problems caused by improper charging.

Bluetooth/Wired Mode (Toggle Switch)

Wired Mode:

Switch the toggle switch to the Cable option (it only works when a USB cable is plugged in).
Connect the cable with your PC and keyboard.
Colorful backlit is on.

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

Bluetooth Mode:

Switch the keyboard to the Bluetooth option.
Colorful backlit is on.
Hold the Fn + 1 key for 3 seconds to activate Bluetooth pairing (the Bluetooth indicator blinks for 3 minutes).
Search for the Bluetooth device "K1-keyboard" on your device and connect it (the Bluetooth indicator goes off after successful pairing).

This keyboard supports pairing up to 3 devices simultaneously via combination keys: Fn + 1, Fn + 2, Fn + 3. Simply short press combination keys Fn + 2 or Fn + 3 to switch. Follow the above procedures to connect with other devices.

The Bluetooth indicator will continue to flash for 3 minutes.

Slow or failed connections may exist due to different Bluetooth versions; please make sure all settings are correct.

Switch Bluetooth Devices

Short press combination keys Fn + 1, Fn + 2, or Fn + 3 to switch to other devices.

Reconnect:

Switch the keyboard to the Bluetooth option to activate the keyboard (the keyboard will connect to the last connected device by default).
The Bluetooth indicator flashes for 3 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 to perform this function.

Turn off the Keyboard

Switch to the OFF position.

Battery Saver

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

Backlit Setting (For RGB version only)

Short press Fn to switch between 19 types of lighting effects. When the backlit is on, press the → button to switch among them. Short press Fn and < or > to adjust light colors.

OS Switch

1. MAC/iOS

Turn the switch to MAC/iOS when you are connected to a MAC or iOS operating system. To use multimedia keys, simply press F1 to F12.

Under Mac OS mode, Esc is used as 'clear'. It cannot be used to lock the numeric keypad on the keyboard (only available for 104-key keyboards).

2. WINDOWS/ANDROID

Switch the toggle to Windows/Android when the keyboard is connected to a Windows or Android operating system. To use multimedia keys, simply press F1 to F12.

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

3. Input Method Switch

For iOS:

Input method switch: Ctrl + Space
Caps Lock: Caps Lock (Enable General > Keyboards > Hardware Keyboard > Caps Lock Language Switch)

For Android:

Input method switch: Shift + Space

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

Multimedia Function

The following table details the multimedia functions available on the keyboard.

Key Combination	Function
`Fn` + `F1`	Volume Down
`Fn` + `F2`	Volume Up
`Fn` + `F3`	Mute
`Fn` + `F4`	Play/Pause
`Fn` + `F5`	Previous Track
`Fn` + `F6`	Next Track
`Fn` + `F7`	Mail
`Fn` + `F8`	Browser
`Fn` + `F9`	Calculator
`Fn` + `F10`	My Computer/This PC
`Fn` + `F11`	Search
`Fn` + `F12`	Lock Screen
`Fn` + `↑`	Brightness Up
`Fn` + `↓`	Brightness Down
`Fn` + `←`	Light Effect Previous
`Fn` + `→`	Light Effect Next
`Fn` + `Win`	Windows Lock/Unlock
`Fn` + `Space`	Siri (macOS) / Cortana (Windows)
`Fn` + `H`	Windows Dictation (Windows)
`Fn` + `C`	Cortana (Windows)
`Fn` + `X` + `L`	Switch between Multimedia and F1-F12 functions

Notes on Multimedia Functions:

[1] To activate Mac Dictation function on macOS, navigate to Apple Icon > System Preferences > Keyboard > Dictation > Shortcut, and set the shortcut by pressing Fn (Function) key twice.
[2] To activate Siri function on macOS, navigate to Apple Icon > System Preferences > Siri > Keyboard Shortcut, and set the keyboard shortcut by pressing Fn (Function) + Space key simultaneously.
[3] To activate Windows Dictation on Windows OS, set the shortcut by pressing Windows + H key. (Only supports US English and requires an internet connection).
[4] To activate Cortana on Windows OS, set the shortcut by pressing Windows + C key simultaneously. (This shortcut is turned off by default on Windows; to enable it, select Start > Settings > Cortana).
Windows Cortana and Windows Dictation are only available for Windows 10 or above OS. Cortana is available only in certain countries/regions, and some Cortana features might not be available everywhere.
[5] By default, F1-F12 functions will only appear when pressing Fn + function key. However, you can switch the multimedia function keys and F1-F12 functions by pressing the three keys Fn + X + L simultaneously. If you press these three keys simultaneously, the character backlight of the keyboard will turn red and then recover, indicating that the switching of the multimedia function keys is successful.

Troubleshooting

Unable to pair keyboard to device: Confirm that the device you are trying to pair with is Bluetooth-capable. If so, restart the device and try pairing it with the keyboard again.
On some Windows computers, a new Bluetooth connection may require additional software updates, a process that might still be ongoing after a message indicates successful completion. Wait at least 20 minutes after pairing to ensure all updates are completed before restarting the computer.
Confirm that the device is configured to accept Bluetooth connections (Windows) and supports an external keyboard (HID profile).
Go to Bluetooth Devices > Open Settings and select the following:
- 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.
- Turn Bluetooth off and restart the computer (Windows).
- 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 while using the keyboard. Please 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 any 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 and Safety

FCC Declaration of Conformance

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.

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

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