# Keychron K3 Max

> Ultra-slim 75% low-profile wireless mechanical keyboard with a Mac layout and QMK/VIA key remapping

Source: https://optioncmd.com/keychron-k3-max
Website: https://www.keychron.com/products/keychron-k3-max-qmk-via-wireless-custom-mechanical-keyboard?utm_source=optioncmd
Pricing: One-time purchase
Categories: [Keyboards](https://optioncmd.com/categories/keyboards.md)
Listed: 2026-10-22
Updated: 2026-10-22

Keychron K3 Max is an ultra-slim, low-profile wireless mechanical keyboard with a 75% layout and 84 keys. It connects over 2.4 GHz, Bluetooth 5.1 or a cable and runs open-source QMK firmware.

**Key features:**

- Connects to up to three devices over Bluetooth 5.1, with a 1000 Hz polling rate on 2.4 GHz and wired modes.
- Offers a Mac layout with the same multimedia and function keys as Apple keyboards, plus keycaps for both macOS and Windows.
- Keys, macros and shortcuts can be remapped in the Keychron Launcher web app in Chrome, Opera or Edge over a wired connection.
- Low-profile Gateron switches come in red, blue, brown and banana, and the hot-swappable versions accept Gateron or Keychron low-profile mechanical switches.
- Double-shot PBT keycaps, IXPE and latex foam inside, and redesigned stabilizers for the larger keys.
- 22+ RGB backlight settings with per-key RGB and two-zone Mix RGB, or a white backlight version.
- Three adjustable typing angles.

It has an ABS and aluminum frame, a 1550 mAh battery rated for up to 73 hours, weighs 525 g and measures 306 x 116 mm. It works with macOS, Windows and Linux and costs $109.99.

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