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.