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Keychron J3 SE QMK Wireless Mechanical Keyboard

SKU: J3SE-O1
Regular price $129.99
  • Layout 96%, ANSI
  • Connectivity 2.4 GHz, Bluetooth (up to 3 devices), wired; 1000 Hz polling rate
  • Switches Mechanical; hot-swappable
  • Build ABS
  • Keycaps Double-shot PBT
  • Battery 4000 mAh, up to 200 hours

Color
Backlight
Switch Option

Keychron J3 SE 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 96% layout through Keychron Launcher web app. Besides, users can hot-swap with any standard MX mechanical switches in a breeze. 

Regular price $129.99
Keychron J3 SE QMK Wireless Custom Mechanical Keyboard 96% Layout Pink Fully Assembled for Mac Windows Linux Keychron Sakura Milk Switch

Keychron J3 SE

 The J3 SE is a wireless mechanical keyboard with a 98% layout. It supports 2.4 GHz, Bluetooth, and wired connections. Configurable through QMK and Keychron Launcher web app, it offers endless possibilities and enhanced productivity in your work and gaming!

Keychron J3 SE QMK Wireless Custom Mechanical Keyboard 96% Layout Pink Blue Fully Assembled for Mac Windows Linux Keychron Sakura Milk Switch 1
Keychron J3 SE QMK Wireless Custom Mechanical Keyboard 96% Layout Pink Blue Fully Assembled for Mac Windows Linux Keychron Sakura Milk Switch 2

The J3 SE features a superior sound and typing experience with multiple layers of acoustic foams, such as IXPE, PET, and EDPM.

Keychron-J3-SE-QMK-Wireless-Mechanical-Keyboard-13.jpg__PID:e889e3da-614d-4b5d-bbe4-7ae39fc28c81

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 J3 SE via Bluetooth 5.2 to three devices.

Keychron J3 SE QMK Wireless Mechanical Keyboard 2.4 GHz & Bluetooth Connection
ZMK
QMK Firmware
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.

Keychron J3 SE QMK Wireless Mechanical Keyboard Launcher

Plug-and-Play Receiver

For a better 2.4 GHz wireless experience, the J3 SE comes with a Type-A receiver. Enjoy the quick plug-and-play time. Or, Put it away in the keyboard storage slot on the back of the keyboard.

Keychron J3 SE QMK Wireless Mechanical Keyboard Plug-and-Play Receiver
Keychron J3 SE QMK Wireless Mechanical Keyboard Epic Core

An Epic Core Inside

A powerful ARM architecture MCU WB32F3G71RCT6 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.

WIRELESS AND WIRED MODES

Connects with up to 3 devices via Bluetooth and switch among them easily. With high reliable and broad compatibility Broadcom Bluetooth 5.2 chipset, the J3 SE is best to fit home, office and light gaming use while connecting with your smartphone, laptop and iPad. It also has wired mode with USB Type-C connection.

Keychron J3 SE QMK Wireless Mechanical Keyboard Wireless and Wired Modes

Advanced Acoustic Foam 

Elevate your typing with J3 SE featuring advanced IXPE acoustic foam for smooth keystrokes and enhanced comfort, coupled with resilient latex foam for superior key switch support, responsiveness, and durability. Redefining the standard for a quiet, comfortable, and responsive typing experience.

Keychron J3 SE QMK Wireless Mechanical Keyboard Advanced Acoustic Foam
Keychron-J2-Structure-Mobile.jpg__PID:1a41626a-2851-48b4-91d3-d06231059f67

Hot-Swappable

Hot-swappable, no soldering required. Simply pop in your preferred switches and you’re ready to go.
Every detail matters for a personalized typing experience, that’s why we give you the power. You can hot-swap every switch on the J3 SE with almost all of the 3-pin and 5-pin 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 J3 SE QMK Wireless Mechanical Keyboard Hot-Swappable

Double-shot PBT Keycaps

The double-shot PBT keycaps on the J3 SE provide excellent oil resistance and prevent the legends from fading out. Featuring an MDA profile, they provide a more comfortable and naturally contoured typing experience.

Keychron J3 SE QMK Wireless Mechanical Keyboard Double-shot PBT Keycaps

MDA profile (non-shine-through)

RGB Backlights

Comes with more than 22 types of RGB backlight settings . You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease.

Per-Key RGB.gif__PID:b18e6a11-e79e-4206-995f-1cd302f7824e

Per-key RGB

With Per-key RGB, every single key is a digital brushstroke. This feature lets you individually customize the color of each key, transforming your keyboard into a vibrant canvas.

Learn how to set Per-Key RGB on Launcher >

Mix RGB

With Mix RGB, you can split your keyboard into two custom lighting zones, each with unique effects. Create creative, high-contrast combinations to make your entire setup pop with vibrant style.

Learn how to set Mix RGB on Launcher >

Mix RGB.gif__PID:6a11e79e-9206-495f-9cd3-02f7824e9146
Keychron J3 SE QMK Wireless Mechanical Keyboard Ergonomic Support

Ergonomic Support

Three levels of adjustable typing angle (4.5º, 6.4º & 8.7º) and curved MDA profile keycaps are working together to provide long-lasting ergonomic support for your wrist.

What's in the box?

Keychron-J3-SE-QMK-Wireless-Mechanical-Keyboard-12.jpg__PID:fa079f02-9cd2-4a76-a9a0-3accbc429bfe

What's in the box?

Keychron K6 Pro package content
Keychron K6 Pro Barebone version package content

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.

Gateron G Pro Switch Red
Gateron G Pro Red Switch Set
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Brown Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Yellow Switch Set
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Silver Switch Set
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch
Gateron G Pro Switch Red
Gateron G Pro Red Switch Set
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Brown Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Yellow Switch Set
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Silver Switch Set
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch

Gateron G Pro Switch Set

Gateron Cap V2 Switch Golden Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Golden Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Yellow
Gateron Cap V2 Milky Yellow Switch Set
Gateron Cap Switches Version 2 Milky Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Brown
Gateron Cap Switches Version 2 Red
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Blue
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Golden Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Golden Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Yellow
Gateron Cap V2 Milky Yellow Switch Set
Gateron Cap Switches Version 2 Milky Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Brown
Gateron Cap Switches Version 2 Red
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Blue
Gateron Cap V2 Switch Set

Gateron Cap V2 Switch Set

Gateron Ink V2 Switch Red
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Blue
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Yellow
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Black
Gateron Ink V2 Black Switch
Gateron Ink V2 Switch Red
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Blue
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Yellow
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Black
Gateron Ink V2 Black Switch

Gateron Ink V2 Switch Set

Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch Yellow
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch Yellow
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.

Gateron Phantom Switch

Cherry MX Switch Set
Cherry Red Switches
Cherry MX Switch Set
Cherry Blue Switches
Cherry MX Switch Set
Cherry Brown Switches
Cherry MX Switch Set
Cherry RGB Blue Switches
Cherry RGB Brown Switch
Cherry RGB Brown Switches
Cherry RGB Silver Switch
Cherry RGB Silver Switches
Cherry MX Switch Set
Cherry RGB Red Switches
Cherry MX Switch Set
Cherry Red Switches
Cherry MX Switch Set
Cherry Blue Switches
Cherry MX Switch Set
Cherry Brown Switches
Cherry MX Switch Set
Cherry RGB Blue Switches
Cherry RGB Brown Switch
Cherry RGB Brown Switches
Cherry RGB Silver Switch
Cherry RGB Silver Switches
Cherry MX Switch Set
Cherry RGB Red Switches

Cherry MX Switch Set

Kailh Switch Red
Kailh Switch Set
Kailh Switch Blue
Kailh Switch Set
Kailh Switch Brown
Kailh Switch Set
Kailh Switch Red
Kailh Switch Set
Kailh Switch Blue
Kailh Switch Set
Kailh Switch Brown
Kailh Switch Set

Kailh Switch Set

Kailh Box Navy Switch
Kailh Box Navy Switch
Kailh Box Navy Switch
Kailh Box Cream Switch
Kailh Box Jade Switch
Kailh Box Jade Switch
Kailh Box Red Switch
Kailh Box Switch Set
Kailh Box White Switch
Kailh Box White Switch
Kailh Box Switch Set
Kailh Box Brown Switch
Kailh Box Switch Set
Kailh Box Black Switch Set
Kailh Box Navy Switch
Kailh Box Navy Switch
Kailh Box Navy Switch
Kailh Box Cream Switch
Kailh Box Jade Switch
Kailh Box Jade Switch
Kailh Box Red Switch
Kailh Box Switch Set
Kailh Box White Switch
Kailh Box White Switch
Kailh Box Switch Set
Kailh Box Brown Switch
Kailh Box Switch Set
Kailh Box Black Switch Set

Kailh Box Switch Set

Keychron Mechanical Red Blue Brown Switch Set family
Keychron Mechanical Red Switch Set 35 pieces
Keychron Mechanical Blue Switch Set 35 pieces
Keychron Mechanical Brown Switch Set 35 pieces
Keychron Mechanical Red Blue Brown Switch Set family
Keychron Mechanical Red Switch Set 35 pieces
Keychron Mechanical Blue Switch Set 35 pieces
Keychron Mechanical Brown Switch Set 35 pieces

Keychron Mechanical Switch

Gateron Switch Puller Red
Gateron Switch Puller Blue
Gateron Switch Puller-Black
Gateron Switch Puller-Silvery
Gateron Switch Puller
Gateron Switch Puller Red
Gateron Switch Puller Blue
Gateron Switch Puller-Black
Gateron Switch Puller-Silvery
Gateron Switch Puller

Gateron Switch Puller (Version 2)

Gateron Switch Opener
Gateron Switch Opener
Gateron Switch Opener
Gateron Switch Opener
Gateron Switch Opener
Gateron Switch Opener

Gateron Switch Opener

Keychron OEM Dye Sub PBT Full Set Keycap Set Morse Code
Keychron Q1 OEM Dye Sub PBT Full Set Keycap Set Morse Code
Keychron Q2 OEM Dye Sub PBT Full Set Keycap Set Morse Code
Keychron OEM Dye Sub PBT Full Set Keycap Set Morse Code
Keychron Q1 OEM Dye Sub PBT Full Set Keycap Set Morse Code
Keychron Q2 OEM Dye Sub PBT Full Set Keycap Set Morse Code

OEM Dye-Sub PBT Full Set Keycap Set - Morse Code

Keychron double-shot PBT Cherry full set keycap set grey white and blue overview
Keychron double shot PBT Cherry full set keycap set grey white and blue 96% layout ANSI
Keychron double-shot PBT Cherry full set keycap set grey white and blue 96% layout UK ISO
Keychron double-shot PBT Cherry full set keycap set grey white and blue HHKB layout ANSI
Keychron double-shot PBT Cherry full set keycap set win-key-less layout
Keychron double-shot PBT Cherry full set keycap set grey white and blue overview
Keychron double shot PBT Cherry full set keycap set grey white and blue 96% layout ANSI
Keychron double-shot PBT Cherry full set keycap set grey white and blue 96% layout UK ISO
Keychron double-shot PBT Cherry full set keycap set grey white and blue HHKB layout ANSI
Keychron double-shot PBT Cherry full set keycap set win-key-less layout

Cherry Profile Double-Shot PBT Full Set Keycaps - Grey, White, and Blue

SPECIFICATION


Number of Keys: 99 (98%)
Switches: Mechanical
Switch Face: North-facing
Number of Multimedia Keys: 12
Frame Material: ABS
Keycap Material: Double-shot PBT
Keycap Profile: MDA Profile
Layout: ANSI
Polling Rate (2.4GHz and 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
Wireless Working Time (Backlit off): Around 200 hours (Lab test result may vary by actual use)
Wireless Working Time (RGB): Around 106 hours (Lowest brightness)
Connection: 2.4 GHz / Bluetooth / Type-C wired
Bluetooth version: 5.2
Bluetooth Device Name: Keychron J3 SE
Compatible System: Windows / Mac / Linux

PHYSICAL UNIT


Dimension: 405.7 x 138.7 mm (15.97 x 5.46")
Weight: 1145 g / 2.52 lbs
Height incl. keycap (front): 20.7 mm (0.81")
Height incl. keycap (rear): 43.4 mm (1.71")
Typing Angle: 4.5º / 6.4º / 8.7º
MCU: WB32F3G71RCT6 (256KB Flash)
Operating Environment: -10 to 50℃

Keychron J3 SE User Guide

Learn more about the Keychron J3 SE, such as the shortcuts, Launcher web app tutorial, factory reset, and more.

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All Keyboards

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