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Keychron K4 HE Wireless specifications and in-depth review

Keychron K4 HE Wireless

Manufacturer: Keychron

The Keychron K4 HE Wireless is a versatile mechanical keyboard designed for gaming and productivity. Featuring a full-size layout with Hall effect switches, it offers both wired and wireless connectivity options, including Bluetooth 5.2 support. The keyboard's sleek black aluminum and plastic case gives it a modern and durable look, while the RGB backlighting adds a customizable aesthetic.

In terms of performance, the K4 HE Wireless boasts a 1000 Hz polling rate, ensuring fast and reliable keypress responses. It includes hot-swappable switches for flexibility, with an actuation distance of 0.2 mm to 3.8 mm and a 60 g actuation force. The keyboard also offers features such as adjustable actuation, NKRO, and support for QMK, ZMK, and VIA firmware, making it a highly customizable choice for users.

Pros
  • The keyboard supports both wired and wireless connectivity options, including Bluetooth 5.2 and 2.4GHz wireless, offering flexibility in usage.
  • With hot-swappable switches, users can easily replace the switches without soldering, providing customization options for different typing preferences.
  • The keyboard includes RGB lighting and a backlit design, enhancing its visual appeal, especially with north-facing LEDs for improved light distribution.
  • It has a full (98%) keyboard layout with dedicated media keys accessible via the Fn key, making it practical for both work and entertainment.
  • The Keychron K4 HE Wireless offers a long battery life of up to 110 hours, reducing the need for frequent recharges during extended use.
Cons
  • The keyboard does not come with a wrist rest, which may affect comfort during long typing sessions.
  • It lacks a USB passthrough port, limiting the number of available connections for peripherals.
  • The keyboard does not include a rotary dial, which may be a desired feature for users who prefer that level of control.
Who is this for?

The Keychron K4 HE Wireless is ideal for users who prioritize customization and flexibility, such as gamers and typists who enjoy tinkering with their setup. Its hot-swappable switches and adjustable actuation offer significant personalization options for different keypress feels. The keyboard’s long battery life of up to 110 hours and wireless connectivity make it perfect for users who need a reliable, mobile solution for extended sessions without frequent recharging or cable management.

Who is this NOT for?

This keyboard may not be the best choice for those looking for a highly ergonomic setup, as it lacks a wrist rest, which could reduce comfort during long typing sessions. Additionally, its lack of USB passthrough and rotary dial may be limiting for users who need more advanced connectivity options or prefer additional controls for media or volume adjustments.

General info:

Keyboard type Gaming, Mechanical
Keyboard layout size Full (98%)
Profile Standard
connectivity Wireless & wired
connection type Bluetooth, 2.4GHz wireless, USB
polling rate 1000 Hz
Mount type Plate mount
Battery life 110 hours
designed for Mac ✓
has a detachable cable ✓
height 126.2 mm
width 373.2 mm
thickness 40.3 mm
weight 1090 g
Bluetooth version 5.2
release date March 2025
warranty period 1 years

The Keychron K4 HE Wireless is a mechanical gaming keyboard with a full (98%) layout and a standard profile. It offers both wired and wireless connectivity options, including Bluetooth 5.2, 2.4GHz wireless, and USB. The keyboard features a 1000 Hz polling rate for fast responsiveness, and is designed with a plate mount. It is compatible with Mac systems, includes a detachable cable, and provides up to 110 hours of battery life. The keyboard's dimensions are 373.2 mm in width, 126.2 mm in height, and 40.3 mm in thickness, with a weight of 1090 g. A 1-year warranty is also included.

Design:

has RGB lighting ✓
Has a backlit keyboard ✓
Case material Aluminum, Plastic
Plate material Aluminum
Case colors Black
has adjustable feet ✓
includes a wrist rest ✕
Backlight facing direction North-facing

The Keychron K4 HE Wireless features a sleek design with a black aluminum and plastic case. It includes RGB lighting and a backlit keyboard with north-facing LEDs for an appealing visual effect. The keyboard is built with an aluminum plate for durability and has adjustable feet for ergonomic positioning. However, it does not come with a wrist rest.

Switches:

Switch type Hall effect
Switch feel Linear
Hot-swappable switches ✓
Switch name Gateron Double-Rail Magnetic Nebula
Actuation distance (min) 0.2 mm
Actuation distance (max) 3.8 mm
Actuation force 60 g
Total travel distance 3.8 mm

The Keychron K4 HE Wireless is equipped with Hall effect switches that provide a linear switch feel. These switches have an actuation force of 60 g, with an actuation distance ranging from 0.2 mm to 3.8 mm. The keyboard also features hot-swappable switches, allowing users to easily swap out switches without soldering. The total travel distance of the switches is 3.8 mm, offering a smooth and responsive typing experience.

Features:

has analog input ✓
has rapid trigger ✓
has dual actuation ✓
has adjustable actuation ✓
has NKRO ✓
has USB passthrough ✕
Has a display ✕
has QMK support ✓
has ZMK support ✓
has VIA support ✓

The Keychron K4 HE Wireless offers a range of advanced features, including dual actuation and adjustable actuation for a customizable typing experience. It supports NKRO (N-Key Rollover) for accurate keypress registration even with multiple simultaneous presses. The keyboard also includes support for QMK, ZMK, and VIA firmware, allowing for high levels of customization, and features analog input for enhanced control. However, it does not offer USB passthrough or a display.

Keys & layout:

Keyboard layout ANSI (United States)
Keycap type PBT, Shine-through, Double-shot
Keycap profile OEM
uses a standard key layout ✓
Media keys Via Fn key
has a rotary dial ✕

The Keychron K4 HE Wireless features an ANSI (United States) keyboard layout with PBT, Shine-through, Double-shot keycaps for durability and a clear backlighting effect. The keycap profile is OEM, providing a familiar and comfortable typing experience. The keyboard uses a standard key layout, with media keys accessible via the Fn key. It does not include a rotary dial.

Final Verdict

The Keychron K4 HE Wireless is a versatile mechanical keyboard that excels in customization and performance, making it a great choice for users who value flexibility. Its hot-swappable switches and long battery life of up to 110 hours are standout features, offering both reliability and personalization. While it lacks a wrist rest and certain advanced connectivity options, it remains a strong option for users seeking a highly customizable and functional wireless keyboard for gaming or productivity.