Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard

Keychron J4 QMK Wireless Mechanical Keyboard

Keychron J4 is a wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection....
Availability: Many In Stock
$21.00
$69.99
$21.00
Please hurry! Only 1000 left in stock
Limited-Time Offers, End in: 151D 8H 23M 0S
Subtotal: $21.00
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Description

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).

No discount code can be used for the J4.

 

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CONNECTIVITY AND POWER
CONNECTIVITY AND POWER


Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 3750 mAh rechargeable li-polymer battery
Wireless Working Time (Backlit off): Around 288 hours (Lab test result may vary by actual use)
Wireless  Working Time (RGB): Around 156 hours 
Connection: 2.4 GHz / Bluetooth / Type-C wired
Bluetooth version: 5.2
Bluetooth Device Name: Keychron J4
Compatible System: Windows / Linux / macOS
PHYSICAL UNIT
PHYSICAL UNIT


Dimension: 365.72 x 137.71mm (14.40 x 5.42")
Weight: 870 g / 1.92 lbs
Height incl. keycap (front): 28.18 mm (1.11")
Height incl. keycap (rear): 37.81 mm (1.49")
Typing Angle: 4.5º and 9.6º
MCU: WB32F3G71RCT6 (256KB Flash)
Operating Environment: -10 to 50℃
SPECIFICATION
SPECIFICATION

 
Number of Keys: 87 (80%)
Switches: Mechanical
Switch Face: North-facing
Number of Multimedia Keys: 12 
Frame Material: ABS
Keycap Material: Double-shot PBT
Keycap Profile: Cherry 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
Keychron J4 QMK Wireless Mechanical Keyboard

Keychron J4 QMK Wireless Mechanical Keyboard

$69.99 $21.00
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard
Keychron J4 QMK Wireless Mechanical Keyboard

Keychron J4 QMK Wireless Mechanical Keyboard

$69.99 $21.00
Color: Black
Backlight: RGB Backlight (Hot-Swappable)
Switch Option: Keychron Super Red

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