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Keychron K4 QMK Wireless Mechanical Keyboard (Version 3)

SKU: K4X-A1
$94.99

Version
Switch Type
Switch Option

Keychron K4 QMK Wireless Mechanical Keyboard (Version 3) allows anyone to master any keyboard keys or macro commands through Keychron Launcher web app, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze.

No discount code can be used for the K4 Version 3.

Please drop your email on "Notify Me When Available" if the product model is out of stock.

Keychron

K4 Version 3

A 96% layout QMK wireless custom mechanical keyboard 

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Wireless and Wired

An excellent solution for multitasking. You can connect the K4 Version 3 with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.2 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows.

A reliable USB Type-C wired connection is also available when you need it.

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ZMK
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Keychron Launcher

Program with QMK & Launcher.

The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.

Program the K14 Pro keyboard with Launcher
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Click here to use Keychron Launcher

* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher and connect the keyboard to your device via wired mode.

Anytime, Anywhere Access

Keychron Launcher is a web page configurator that you can use in the office, school, lab, or government department—anywhere with internet access. Configure your keyboard online anytime without the need to download or install files. No hassle, no trouble.

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Compatible with All Platforms

As a web-based tool, Keychron Launcher supports all operating systems.  Personalize and program your keyboard on Windows, macOS, Linux, and more. Enjoy unprecedented flexibility with compatibility across Chrome, Edge, and Opera browser.

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Safe Inputs

You type your password, contact, home address, and other sensitive privacy information on keyboards every day. Our keyboards use QMK open-source firmware, allowing the community to review the codes for safety and ensuring no hidden features, so you have complete control over your input security.

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Always Up to Date

Keychron Launcher is continuously updated, ensuring you always have access to the lastest version. There's no need to download updates or wait for installations.

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Enhanced Acoustic Foams

The K4 Version 3 has been re-engineered and redesigned from the inside out to upgrade the typing experience. The added sound absorbing foam, advanced IXPE acoustic foam, resilient EPDM foam and PET foam provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability.

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*The Black - Fully Assembled version is NOT hot-swappable and it doesn't include sound-absorbing foam, silicone pad. The stabilizers are mounted on the plate.

Keychron K10 Pro detailed structure
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An Epic Core Inside The Keyboard

A powerful low-power ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz out of the box, which makes latency non-existent for the competitive game.

Suitable For All Devices

Offers a Mac layout while still being compatible with Windows, the K4 Version 3 is one of the few on the market that has the same multimedia and function keys as Apple keyboards for Mac users, but with more tactile feedback.

You can even configure different keymaps for both Mac and Windows devices. While Keychron Launcher web app is compatible with macOS, Windows, and Linux. Includes keycaps for both macOS and Windows to allow you to switch between operating systems with ease.

Check high-res keycap layout and size here.

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Hot-swappable (Optional)

We also provide a hot-swappable version for your choice, which means you can customize your typing experience without soldering, pop them in and it's done.
Every detail matters, so we make the K4 Version 3 hot-swappable for your personalized typing experience. The hot-swappable sockets are mounted on the PCB, so you can hot-swap every switch on the K4 Version 3 with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customize your own typing experience in seconds.

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Barebone US layout of Keychron K10 Pro QMK VIA wireless mechanical keyboard

Screw-In Steel Stabilizers

Even small part matters for your fingertip feel. We’ve integrated the PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys such as space bar, shift, enter, and backspace. The Keychron K10 Version 2 also supports third-party screw-in Steel stabilizers.

*Stabilizers of the non-hot-swappable versions are mounted on the plate.

Keychron K10 Pro PCB Screw-in stabilizers

Pre-lubed Keychron Super Switch

The Keychron Super Switch is built to last with a lifespan of 50 million clicks and provides great reliability and high performance for fast typing and competitive gaming. It offers red, brown, and banana options to match different users' preferences. Every switch is tested for pro-grade quality.
Plus, the factory pre-lubed process on all the super switches. There is no doubt that this will ensure the best smoothness at your fingertips when typing.

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Cherry Profile Double-shot PBT Keycaps

To further fine-tune your typing experience, the K4 Version 3 comes with our cherry profile and double-shot PBT keycaps that aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use on the full-size layout.

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North-facing RGB Lights

Shine-through keycaps create a brilliant backlight effect, available in both RGB and white backlight versions. Comes with more than 22 types of RGB backlight settings (as well as a static white backlight option), and 14 types of backlight settings on the White Backlight version. You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease.

Ergonomic Support

Three levels of adjustable typing angle (5º, 8º & 11º) and curved Cherry-profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.

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Looking for ISO Layout?

The K10 Pro ISO collection comes with fully assembled keyboards with 🇬🇧UK, 🇩🇪German, 🇩🇰🇫🇮🇳🇴🇸🇪Nordic, 🇨🇭Swiss, 🇫🇷French, and 🇪🇸 Spanish layout.

Keychron K10 Pro ergonomic support with adjustable typing feet and angle
Check The K10 Pro ISO Layout Collection

What's in the box?

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Keychron K10 Pro Barebone version package content
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Frequently bought together (Add-on)

ANY KEYBOARD + ADD-ON
Pay shipping fee for keyboard only. Free shipping for the add-on (Excluding the Carrying Case and Mouse). Terms here.

Select the matching variant for your product.

SPECIFICATION

 
Number of Keys: 100 (96%)
Switches: Keychron Super Mechanical
Switch Face: North-facing
Stabilizers: Plate-mounted stabilizers
Number of Multimedia Keys: 12 
Frame Material: ABS/ ABS+Aluminum frame
Plate Material: Aluminum
Keycap Material: Double-shot PBT
Keycap Profile: Cherry
Layout: ANSI
Polling Rate (Wired Mode): 1000Hz
Polling Rate (BT Mode): 125Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes

CONNECTIVITY AND POWER


Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 4000 mAh rechargeable li-polymer battery
BT Working Time (Backlit off): Around 190 hours (Lab test result may vary by actual use)
BT Working Time (RGB): Around 100 hours (Lowest brightness)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.2
Bluetooth Device Name: Keychron K4  Version 3
Compatible System: macOS/Windows/Linux

PHYSICAL UNIT


Dimension (Plastic frame version): 368.14 x 121.14 mm (14.49 x 4.77")
Weight: About 813 g / 1.79 lbs
Dimension (Aluminum frame version): 373.2 x 126.2 mm (14.69 x 4.97")
Weight: About 970.8 g/2.14 lbs
Height without keycap (front): 22.54 mm (0.89")
Height without keycap (rear): 30.88 mm (1.22")
Height incl. keycap (front): 30.83 mm (1.21")
Height incl. keycap (rear): 40.25 mm (1.58")
Typing Angle: 5º, 8º and 11º
MCU: Low-power ARM Cortex-M3 32-bit WB32F3G71 (256KB Flash)
Operating Environment: -10 to 50℃

Keychron K4 Version 3 User Guide

Learn more about the Keychron K4 Version 3 such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.

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Customer Reviews

Based on 2 reviews
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G
G.
Multiple Repeating Keys and Keys Not Registering Presses

I purchased the K4 V3 over a V2 per the instructions on the V2 purchase page. I was extremely excited to see that this model had black keys, white LED hot-swappable switches, and shine-through keycaps. It seemed perfect. Two days after receiving the keyboard, multiple keys started to fail. At first, the "L" key started not registering except at random. Then the "K" switch started typing multiplle (<-ok, see that typo on multiple with 2 "L"'s? That was the keyboard and I'm not fixing it for the review) letters every so often. I thought, well, maybe it's just those two switches and I'll swap them with something I won't use like "pgup" and "pgdn". Then, moments ago, the "O" key started doing multiple key presses. Support still has not gotten back to me even though I've reached out when the first couple keys started failing.

R
RB
Great upgrade to the Original k4

I recently bought a K4 version 2 and then hours later I found out that the version 3 was released. It had only been out for a few days at the time of ordering the version 2. I usually don't do reviews but I thought it would be worth doing one once this keyboard came in. Shipping was really fast to the US. The estimated arrival time was originally 7 days but it came in a shorter amount of time even through the customs process. Compared to the v2, It feels and sounds way better! I ordered the Aluminum Frame with Non-Swappable Red-switches. Compared to the version 2 it sounds a lot quieter, of which that I can bring it to work without bothering my fellow co-workers. The V2 sounded a lot more clacky while the V3 feels and sounds thocky and creamy. I would definitely order another one but I would want to try a Hot-Swappable version with the Quiet Red Switches (I just didn't want to drop the money and the time to do the change at this moment). Doubleshot PBT keycaps are a must for me now, the feel and sound vs the ABS caps vs the v2 just don't compare and I feel like this was well worth the cost since I didn't need to purchase a seperate set of them. The performance feels about the same in terms of bluetooth connectivity, it still takes a awhile to wake from sleep but it really doesn't bother me since so far its only when I have idled for more than 10 minutes. The heavy aluminum frame is great and it feels sturdy. The legs are plastic but they feel pretty strong (compared to my Ducky Mecha keyboard which is full aluminum and satisfying) but I think it will last since it will only be staying in one location really. I think a case would be worth investing if I wanted to do some light traveling to keep the legs together. Overall I feel very satisfied with my 1st Keychron purchase and will try to update my review later for user experience.

Keychron K4 Version 3 Wireless Mechanical Keyboard Keychron Super Red Switch
K QMK series

Keychron K4 QMK Wireless Mechanical Keyboard (Version 3)

From $94.99
Keychron K4 QMK Wireless Mechanical Keyboard (Version 3) allows anyone to master any keyboard keys or macro commands through Keychron Launcher web app, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze.

No discount code can be used for the K4 Version 3.

Please drop your email on "Notify Me When Available" if the product model is out of stock.

Version

  • White Backlight
  • RGB Backlight
  • RGB Backlight Aluminum Frame

Switch Type

  • Keychron Super Switch
  • Keychron Super Switch (Hot-Swappable)

Switch Option

  • Red
  • Brown
  • Banana
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