Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3 - RGB Backlight Aluminum Frame (Hot-Swappable) / UK-ISO / Keychron Super Red is backordered and will ship as soon as it is back in stock.
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Keychron K4 Version 3
ISO Layout Version
The Keychron K4 Version 3 is a QMK wireless custom mechanical keyboard with a 96% layout, now upgraded with QMK firmware and enhanced acoustic foams. It supports both Bluetooth 5.2 and wired connections. The Launcher web app offers limitless customization and boosts productivity for your work!
Choose the keycaps, switches and more accessories for your K4 Version 3.
Keychron K4 Version 3 ISO Layout Versions
These versions include the UK, German, Swiss, and Nordic layouts, all with extra keycaps suitable for Mac and Windows devices.
🇬🇧 UK-ISO Layout
🇩🇪 German DE-ISO Layout
🇨🇭 Swiss-ISO Layout
🇩🇰 🇫🇮 🇳🇴 🇸🇪 Nordic-ISO Layout
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.
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.
* 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.
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.
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.
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.
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.
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.
Hot-Swappable
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.
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.
Cherry Profile Shine-Through PC Keycaps
To further enhance your typing experience, the K4 Version 3 ISO version features Cherry profile PC keycaps that offer a comfortable fingertip feel. Additionally, the shine-through design enables vibrant backlighting, making the legends on the keycaps highly visible in low-light conditions.
North-facing RGB Lights
Shine-through keycaps create a brilliant backlight effect. The keyboard comes with more than 22 types of RGB backlight settings, as well as a static white backlight option. 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.
What's in the box?
Frequently bought together (Add-on)
Please select the matching variant for your product.
SPECIFICATION
| Number of Keys | 100 (96%) |
|---|---|
| Switches | Keychron Super mechanical |
| Switch Face | North-facing |
| Number of Multimedia Keys | 12 |
| Frame Material | ABS+Aluminum frame |
| Plate Material | Aluminum |
| Keycap Material | Shine-through PC |
| Keycap Profile | Cherry |
| Layout | ISO |
| N-Key Rollover (NKRO) | Yes for both wireless and wired modes |
| Stabilizers | Plate-mounted stabilizers |
| Polling Rate (Wired Mode) | 1000Hz |
| Polling Rate (BT Mode) | 125Hz |
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 / Type-C wired |
| Bluetooth version | 5.2 |
| Bluetooth Device Name | Keychron K4 Version 3 |
| Compatible System | macOS / Windows / Linux |
PHYSICAL UNIT
| 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℃ |
Learn more about the Keychron K4 Version 3 such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.
