Keychron K4 HE Wireless Magnetic Switch Custom Keyboard

Keychron K4 HE is a 96% layout QMK wireless keyboard with Magnetic Hall Effect switches. These switches offer precise actuation, rapid trigger, and adjustable actuation points. Connect the K4 HE with up to 3 devices through Bluetooth for seamless multitasking across Mac, Windows, and Linux.

Key specs

Layout: 96%, ANSI

Connectivity: 2.4 GHz, Bluetooth (up to 3 devices), wired; 1000 Hz polling rate

Switches: Gateron Double-Rail Magnetic Nebula Switch, Keychron Ultra-fast Lime Magnetic Switch; hot-swappable

Magnetic switch features: Rapid Trigger, adjustable actuation 0.2~3.8mm

Build: Aluminum, tray mount

Keycaps: Cherry Profile Double-shot keycaps, shine-through

Software: QMK firmware; Keychron Launcher web app for key remapping and macros; works with Windows, macOS, Linux

Battery: 4000 mAh, up to 110 hours

Backlight: North-facing RGB

Weight: Approx. 1090 g

Dimensions: 373 x 126 mm

N-key rollover: Yes (wireless & wired)

What's in the box

The Fully Assembled version includes:

The keyboard PCB, the case, and the aluminum plate.

Keycaps (included Mac & Windows keycaps).

Adjustable-actuation-point Gateron double-rail magnetic switches.

Product details

The K4 HE is available in different switch versions.

The Keychron Ultra-fast Lime version supports only Keychron Ultra-fast Lime Magnetic Switches. The Gateron Double-Rail version supports only Gateron Double-Rail Magnetic Switches. Other magnetic switches (e.g., Gateron Magnetic Jade or KS-20) are not supported.