Typing
No independent review of the K2 Max was checked.
Keychron K2 Max
A standard-height, 75% wireless mechanical keyboard with a Mac and Windows switch, Mac keycaps fitted and Windows keycaps in the box, three Bluetooth slots, a 2.4GHz receiver and QMK remapping through Keychron Launcher.
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K2 Max QMK Wireless Mechanical Keyboard, 75% ANSI layout, fully assembled. Sold with RGB or white backlight, with or without an aluminum frame, hot-swappable or not, and with Keychron Super Red, Brown or Banana switches. Keychron's box contents list a Type-A to Type-C cable, a Type-A 2.4GHz receiver with an extension adapter, a keycap and switch puller, a screwdriver and Windows keycaps.
K2 Max QMK Wireless Mechanical Keyboard, 75% ANSI layout, fully assembled. Sold with RGB or white backlight, with or without an aluminum frame, hot-swappable or not, and with Keychron Super Red, Brown or Banana switches. Keychron's box contents list a Type-A to Type-C cable, a Type-A 2.4GHz receiver with an extension adapter, a keycap and switch puller, a screwdriver and Windows keycaps.
What works. What doesn't.
Connections
Keychron lists 2.4GHz, Bluetooth for up to three devices and wired modes, and a 4,000mAh battery rated for up to 190 hours. Its box contents list a Type-A 2.4GHz receiver and a Type-A to Type-C cable, so a Mac with only USB-C ports needs an adapter for the receiver and for wired use.
Layout
Keychron says the K2 Max has a system toggle and keycaps for both macOS and Windows, and stores a separate layout for each system. Keychron's box image shows control, option and command keycaps fitted, with Windows and alt keycaps as spares.
Customization
QMK firmware and the Keychron Launcher web app remap keys and record macros, and Keychron says they work with macOS. Keychron asks for the latest Chrome, Opera or Edge and a wired connection to use Launcher.
Read the bigger picture.
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