The Keychron K4 is one of the most versatile and popular mechanical keyboards on the market, especially for users who value both aesthetics and functionality. Known for its RGB backlighting, compact design, and seamless Bluetooth connectivity, this keyboard is perfect for both casual users and professionals. In this comprehensive guide, we will explore the steps to connect your Keychron K4 via Bluetooth, troubleshoot any connection issues, and delve into features that make this keyboard a powerhouse in the world of mechanical keyboards.
Understanding the Keychron K4
Before diving into the connection process, it’s essential to understand what makes the Keychron K4 a notable choice among users. Here are some features that stand out:
- Compact Layout: The Keychron K4 incorporates a 96% layout that retains function and navigation keys while being more compact than traditional full-size keyboards.
- Multi-Device Connectivity: The keyboard can connect to up to three devices simultaneously, using Bluetooth technology.
- Customizable RGB Lighting: Users can choose from a variety of lighting effects, making the keyboard a beautiful addition to any workstation.
- Hot-Swappable Switches: The K4 supports hot-swappable switches, allowing users to customize their typing experience easily.
These features, combined with a solid build quality, make the Keychron K4 an excellent choice for those looking to upgrade their typing experience.
Preparing for Bluetooth Connection
Before connecting your Keychron K4 to your device via Bluetooth, you must ensure that you have everything you need.
What You Will Need
- A charged Keychron K4 Keyboard: Make sure your keyboard is fully charged or connected via USB-C for wired use.
- A compatible device: You can connect the K4 to a laptop, desktop, tablet, or smartphone that supports Bluetooth.
- Bluetooth capability enabled on your device: Ensure that Bluetooth is turned on.
By ensuring these prerequisites, you will set yourself up for a successful connection process.
Initial Setup of the Keychron K4
To start, you’ll want to follow these simple steps:
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Power On the Keyboard: Locate the power switch on the side of the Keychron K4 and toggle it to the “ON” position.
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Switch to Bluetooth Mode: The Keychron K4 has a toggle button that switches the keyboard between “Wired mode,” “Bluetooth 1,” “Bluetooth 2,” and “Bluetooth 3.” Ensure that you set this switch to one of the Bluetooth modes.
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Enter Pairing Mode: Once you have toggled to your desired Bluetooth slot, hold down the “Fn” key and the corresponding number key (1, 2, or 3) for about 4 seconds. The keyboard will enter pairing mode, indicated by the flashing RGB backlight.
Connecting to Your Device
With your Keychron K4 in pairing mode, the next step is to connect it to your desired device.
Connecting to a Windows Computer
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Open Bluetooth Settings: Go to the “Start” menu, select “Settings,” and then “Devices” followed by “Bluetooth & Other Devices.”
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Turn on Bluetooth: Ensure Bluetooth is enabled.
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Add Bluetooth or Other Device: Click on “Add Bluetooth or other device” and select “Bluetooth.”
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Select the Keychron K4: Your Keychron K4 should appear in the list of available devices. Click on it.
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Complete the Pairing: Follow any on-screen instructions to complete the pairing process.
Connecting to a macOS Device
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Open System Preferences: Click on the Apple logo in the top left corner and select “System Preferences.”
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Select Bluetooth: Click on “Bluetooth” to open Bluetooth settings.
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Turn on Bluetooth: Ensure Bluetooth is turned on.
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Locate the Keychron K4: Your Keychron K4 should show up in the list of available devices. Click on “Connect.”
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Finish the Pairing: Follow any on-screen prompts to finalize the connection.
Connecting to an iOS Device
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Open Settings: Launch the “Settings” app on your iPhone or iPad.
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Navigate to Bluetooth: Select “Bluetooth” and make sure it is switched on.
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Find Your Keyboard: Look for the Keychron K4 in the list of “Other Devices.”
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Tap to Connect: Press the K4 to connect and complete any prompts if necessary.
Connecting to an Android Device
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Access Settings: Open the “Settings” app on your Android device.
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Bluetooth Settings: Go to the “Connected devices” or “Bluetooth” option.
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Enable Bluetooth: Ensure that Bluetooth is turned on.
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Locate Keychron K4: Look for the keyboard in the list of available devices and tap on it to connect.
Troubleshooting Connection Issues
Despite its user-friendliness, you may encounter some issues while trying to connect your Keychron K4. Here are some common troubleshooting tips:
1. Ensure Keyboard is Charged
If the keyboard does not connect, ensure that it has sufficient battery life. A drained battery can lead to failed connection attempts.
2. Reset the Keyboard
If you face persistent connection issues, reset your Keychron K4 by holding the “Fn” and “Delete” keys simultaneously for 5 seconds.
3. Interference from Other Bluetooth Devices
Make sure that your keyboard is not in proximity to other Bluetooth devices that could interfere with the connection. Disconnect other unnecessary Bluetooth devices, if possible.
Utilizing Keychron K4 Features
Once connected, you can start using your Keychron K4 keyboard to its full potential. Let’s explore some of its fantastic features.
Customizing RGB Lighting
The Keychron K4’s RGB backlighting can be customized easily:
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Toggle Lighting Modes: Press “Fn” + “1” through “7” to switch between lighting effects.
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Brightness Adjustment: You can adjust the brightness using “Fn” + “<” and “Fn” + “>.”
Multi-Device Switching
To switch between connected devices, simply press the “Fn” key along with the respective number key (1, 2, or 3) that corresponds to the device you want to use.
Using Hot-Swappable Switches
If you wish to change the feel of your keyboard, you can easily swap out the mechanical switches:
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Remove Keycaps: Use a keycap puller to remove the keycaps from the switches you want to replace.
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Unscrew the Switch: Use a small screwdriver to remove the screws securing the switch.
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Swap and Replace: Carefully replace the old switch with a new one and reassemble your keyboard.
Conclusion
Connecting the Keychron K4 via Bluetooth is a straightforward process that can dramatically enhance your computing experience. With the capability to connect to multiple devices, customizable features, and a high-quality build, this keyboard is an exceptional choice for both productivity and leisure.
By following the steps laid out in this guide, you can enjoy all that the Keychron K4 has to offer. Whether it’s typing long documents, gaming at night with RGB lights, or simply enjoying the tactile feedback of mechanical keys, the Keychron K4 stands out as a top-tier keyboard that is ready for everything you throw at it. Happy typing!
What is the Keychron K4 Bluetooth keyboard?
The Keychron K4 is a compact, wireless mechanical keyboard designed for efficiency and convenience. It features a 75% layout, which includes function keys and arrows while maintaining a space-saving design. This keyboard is compatible with various operating systems, including Windows, macOS, and Android, making it a versatile choice for different users.
In addition to its Bluetooth capability, the Keychron K4 can also be connected via USB-C for users who prefer a wired connection. With customizable RGB lighting and a range of switch options, it caters to both gaming and professional environments, providing a satisfying typing experience with tactile feedback.
How do I pair my Keychron K4 with Bluetooth?
To pair your Keychron K4 with a Bluetooth device, start by ensuring that the keyboard is turned on and charged. Switch the keyboard to Bluetooth mode using the toggle switch on the side. Once in Bluetooth mode, it will enter pairing mode automatically, and the LED indicators will start blinking
Next, go to the Bluetooth settings on your device (computer, tablet, or smartphone) and look for “Keychron K4” in the list of available devices. Click on it to pair, and once connected, the keyboard’s LED will stop blinking. You’re all set to use your Keychron K4 wirelessly!
How can I switch between multiple devices on the Keychron K4?
The Keychron K4 supports pairing with up to three devices simultaneously. To switch between devices, ensure that the keyboard is in Bluetooth mode and that you’ve already paired it with the desired devices. Each device corresponds to a specific function key: Q for the first device, W for the second, and E for the third.
To switch to a different device, simply press and hold the corresponding function key (Q, W, or E) for a few seconds until the keyboard connects to that device. The LED indicators will show which device you are currently connected to, making it easy to manage your connections without any hassle.
What should I do if my Keychron K4 won’t connect to a device?
If your Keychron K4 is not connecting, start by ensuring that the keyboard is charged and in Bluetooth mode. Sometimes, interference from other Bluetooth devices can cause connection issues, so it might be helpful to turn off Bluetooth on other nearby devices. Additionally, make sure your desired device’s Bluetooth is turned on and that it is not already connected to another device.
If issues persist, try restarting both the keyboard and the device you are connecting to. You can also clear the keyboard’s Bluetooth pairing list by pressing and holding the Fn + 1, 2, and 3 keys simultaneously for about 5 seconds. This can help reset the connections and allow you to re-pair the devices.
Can I use the Keychron K4 while charging?
Yes, the Keychron K4 can be used while charging. When you connect the keyboard to a power source via the USB-C cable, it will allow you to type while it charges. This feature ensures that you don’t have to stop using the keyboard if the battery runs low, making it convenient for prolonged use.
However, while using it in wired mode, the Bluetooth function will be disconnected. When unplugged, the keyboard will automatically switch back to Bluetooth mode, allowing you to continue typing wirelessly without having to manually switch settings.
What kind of switches are available for the Keychron K4?
The Keychron K4 offers a variety of switch options to cater to different typing preferences. Users can choose between Gateron mechanical switches in several types, including Red (linear), Blue (clicky), and Brown (tactile). Each switch type varies in feel and sound, providing users with the ability to customize their typing experience.
This variety enables you to select a switch that suits your workflow, whether you prefer a quieter experience for office environments or a clicky response for gaming. Additionally, you can even opt for hot-swappable options, allowing you to easily change switches without soldering when you want to experiment with different types.
How do I customize the RGB lighting on the Keychron K4?
Customizing the RGB lighting on the Keychron K4 is easy and can be done directly from the keyboard, without the need for additional software. The keyboard comes equipped with various lighting modes and effects, which you can cycle through by pressing the Fn + Right arrow key or Fn + Left arrow key combination.
To adjust the brightness, you can use the Fn + Up arrow key to increase and Fn + Down arrow key to decrease the brightness level. If you wish to turn off the RGB lighting altogether, simply press Fn + 0. This allows you to tailor the lighting to your preference depending on your workspace or gaming environment.
How often should I charge the Keychron K4?
The frequency of charging your Keychron K4 depends on your usage habits. With a fully charged battery, the keyboard can last between 72 hours with the RGB lights on and up to 240 hours with the lights off. If you find yourself frequently using the keyboard for extensive periods, it’s wise to charge it once a week or whenever you notice the battery running low.
Always check the battery indicator on the keyboard; it will change colors to alert you when the battery is low. To prolong battery life, consider turning off RGB lighting when not in use or during long periods of inactivity, as this can significantly help extend the time between charges.