Keychron J4 QMK Wireless Keyboard (Black - RGB Backlight) (Banana Switch)
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Keychron J4 QMK Wireless Keyboard (Black - RGB Backlight) (Banana Switch)
$129.00
Sale price
$129.00
Description
- 2.4 GHz & Bluetooth Connection
- Program with QMK & Launcher.
- Significantly Enhanced Acoustic Foams
- An Epic Core Inside
- Hot-Swappable (Optional)
- Keychron Super Switch
- Double-shot PBT Keycaps
- Unlock Dynamic Backlit Control
- Ergonomic Support
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
BANK TRANSFER (EFT)
$129.00
Sale price
$129.00
BANK TRANSFER (EFT)
Description
- 2.4 GHz & Bluetooth Connection
- Program with QMK & Launcher.
- Significantly Enhanced Acoustic Foams
- An Epic Core Inside
- Hot-Swappable (Optional)
- Keychron Super Switch
- Double-shot PBT Keycaps
- Unlock Dynamic Backlit Control
- Ergonomic Support
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
Frequently bought with
Keyboard Specifications
| Number of Keys | 87 (80%) |
|---|---|
| Switches | Mechanical |
| Switch Face | North-facing |
| Multimedia Keys | 12 |
| Frame Material | ABS |
| Keycap Material | Double-shot PBT |
| Keycap Profile | Cherry Profile / MDA Profile |
| Layout | ANSI |
| Polling Rate | 1000Hz (2.4GHz & Wired), 125Hz (Bluetooth) |
| N-Key Rollover | Yes (Wireless & Wired) |
Connectivity & Power
| Backlight | 22 RGB modes + customizable effects |
|---|---|
| Battery | 3750 mAh rechargeable Li-polymer |
| Wireless Battery Life | ~288 hrs (backlight off), ~156 hrs (RGB on) |
| Connection | 2.4 GHz / Bluetooth 5.2 / USB-C wired |
| Compatible Systems | Windows / Linux / macOS |
Physical Unit
| Dimensions | 365.72 × 137.71 mm |
|---|---|
| Weight | 0.87 kg / 870 g |
| Height (Front) | 28.18 mm |
| Height (Rear) | 37.81 mm |
| Typing Angle | 4.5° / 9.6° |
| MCU | WB32F3G71RCT6 (256KB Flash) |
| Operating Environment | -10°C to 50°C |
- Keychron J4 QMK Wireless Keyboard (Black - RGB Backlight) (Banana Switch)
- 1x Case
- 1x PCB
- 1x Steel Plate
- 1x Sound Absorbing Foam
- 1x IXPE Foam
- 1x PET Film
- 1x Bottom Pad
- 1x EPDM Foam
- 1x Bottom Case PET Film
- 5 sets x Stabilizers
- 1 set x Keycaps
- 1 set x Switches
- 1x Type-A to Type-C Cable
- 1x Type-A 2.4 GHz Receiver
- Tools
- 1x Keycap & Switch Puller
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The Keychron J4 is a wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 80% TKL layout through Keychron Launcher web app. Besides, users can hot-swap with Keychron Super mechanical switch in a breeze (hot-swappable version only).
Key Features of the Keychron J4 QMK Wireless Keyboard (Black - RGB Backlight) (Banana Switch)
- 2.4 GHz & Bluetooth Connection
- Program with QMK & Launcher.
- Significantly Enhanced Acoustic Foams
- An Epic Core Inside
- Hot-Swappable (Optional)
- Keychron Super Switch
- Double-shot PBT Keycaps
- Unlock Dynamic Backlit Control
- Ergonomic Support
2.4 GHz & Bluetooth Connection
Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the J4 via Bluetooth 5.2 to three devices.
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.
Significantly Enhanced Acoustic Foams
Elevate your typing with J4 featuring advanced IXPE acoustic foam for enhanced comfort, coupled with resilient EPDM foam for superior key switch support, responsiveness, and durability. The steel plate provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability.
An Epic Core Inside
A powerful ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games.
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 for a personalized typing experience, that’s why we give you the power. You can hot-swap every switch on the J4 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.
Keychron Super Switch
Our exclusive Keychron Super switch adopts a new mold with unparalleled precision. Every switch is tested for pro-grade quality and has a lifespan of up to 50 million clicks, providing great reliability and high performance for long typing sessions. Its new light affection structure on its transparent top housing also ensure high light transmittance and a more consistent, brighter backlight effect.
Double-shot PBT Keycaps
The double-shot PBT keycaps of the J4 provide excellent oil resistance and prevent the legends from fading out. Additionally, the keyboard offers two different keycap options to meet varying preferences and needs.
Unlock Dynamic Backlit Control
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
Two levels of adjustable typing angle (4.5º & 9.6º) and curved Cherry profile and MDA profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.
- MPN - KBKCKJ4H4
- GTIN - 4894979045096
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