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Keychron K2 Max · Photo source

Keychron K2 Max
Photo 1 of 18

Keychron K2 Max · Photo source

Keychron · K Max

K2 Max

Released July 2024

Keychron's 75% wireless mechanical keyboard with QMK firmware and an optional hot-swappable version, connecting by 2.4 GHz receiver, Bluetooth or cable, suited to people who want a compact mechanical keyboard for Mac and Windows.

Layout
Compact
Switches
Mechanical
Backlight
RGB
Battery
190 hours
Connects by
Bluetooth, USB receiver and Cable
Weight
940 g

Specifications

Report a wrong or missing spec

Typing

Layout
Compact
Switches
Mechanical
Backlight
RGB
Keys labelled for
Mac, Windows and more
Touch ID
No
Switches
Keychron Super mechanical switches (Red, Brown or Banana), rated for 50 million clicks; south-facing; hot-swappable version accepts almost all 3-pin and 5-pin MX-style switches
Keycaps
Double-shot PBT, OSA profile; extra keycaps for Windows and macOS
Layouts
84 keys (75%); ANSI (keychron.com); UK, Nordic, German and Swiss ISO (ISO Layout Collection; UK ISO on keychron.uk)
Backlight
South-facing RGB with 22 effects, adjustable hue, saturation, brightness and speed; a white-backlight version is also sold
Special keys
12 multimedia keys; Mac/Windows system toggle that keeps a separate layout for each; N-key rollover wireless and wired

Connections and battery

Connects by
Bluetooth, USB receiver and Cable
Devices it switches between
3
Power
Rechargeable
Battery life (maker's claim)
Up to 190 hours
Receiver
2.4 GHz USB receiver at 1,000 Hz polling; Bluetooth 5.2 (spec table; the page text says 5.1) at 90 Hz to up to three devices; USB-C wired at 1,000 Hz
Battery life detail
4,000 mAh lithium-polymer battery; around 190 hours with the backlight off and around 100 hours with RGB at its lowest brightness (Keychron's lab tests)
Works with
macOS, Windows and Linux
Software
QMK firmware; Keychron Launcher web app for key remapping and macros

Design

Weight
940 g
Width × depth × height
311.54 × 121.54 × 41.54 mm
Size
311.54 × 121.54 mm (plastic frame), 940 g; 316.62 × 126.56 mm (aluminium frame), 1,080 g; height with keycaps 32.06 mm at the front, 41.54 mm at the rear; typing angles of 5°, 9° and 12°
Materials
ABS or ABS and aluminium frame; steel plate; IXPE, PET and EPDM foams
Colours
Black, White (keychron.com)

Pros and cons

Pros

  • Connects by 2.4 GHz receiver (1,000 Hz), Bluetooth to three devices, or USB-C cable (1,000 Hz)
  • Hot-swappable version takes almost any 3-pin or 5-pin MX-style switch
  • QMK firmware, remappable in the Keychron Launcher web app; Mac and Windows keycaps included

Cons

  • Around 100 hours per charge with the RGB backlight on at its lowest brightness
  • 1,000 Hz polling, where newer gaming keyboards offer 8,000 Hz
  • 90 Hz polling over Bluetooth

Closest rivals

Model
LayoutSwitchesBacklightBatteryConnects byWeightReleased
KeychronK2 HE
CompactMagnetic (Hall effect)RGB110 hoursBluetooth, USB receiver and Cable980 gAug 2024
LogitechPRO X 60
CompactMechanicalRGB65 hoursBluetooth, USB receiver and Cable610 gApr 2024
KeychronK6 HE
CompactMagnetic (Hall effect)RGB120 hoursBluetooth, USB receiver and Cable820 gMay 2025

Sources

  1. keychron.uk/products/keychron-k2-max-qmk-wireless-mechanical-keyboard-iso-layou…
  2. keychron.com/products/keychron-k2-max-qmk-wireless-mechanical-keyboard

Photo: cdn.shopify.com

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