Keychron K3 Max K3M-H3 75% Wireless Mechanical Keyboard - Brown Switch (Boxed)
Ultra-slim 75% wireless mechanical keyboard with 2.4GHz, Bluetooth 5.1, and wired connectivity. Features Gateron low-profile brown switches, QMK/VIA customization, RGB backlighting, and hot-swappable design.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| Keyboards - Device Type | Gaming Keyboard Office Keyboard |
|---|---|
| Keyboards - Special Features | Hot Swappable Low Profile Programmable Keys Silent Keys |
| Keyboards - Form Factor | Compact (60% / 65% / 75%) |
| Keyboards - Key Layout | US |
| Keyboards - Switch Type | Low-Profile Mechanical Mechanical - Tactile |
| Keyboards - Connection | Bluetooth Wired (USB) Wireless RF (USB Dongle) |
| Keyboards - Backlighting | Per-Key RGB |
The Keychron K3 Max is an ultra-slim wireless custom mechanical keyboard featuring a compact 75% layout with 84 keys. It delivers peak gaming performance with a 1000 Hz polling rate on 2.4GHz and wired connections, plus 90Hz on Bluetooth 5.1, ensuring minimal latency for competitive gaming. The keyboard supports three simultaneous Bluetooth device connections for seamless multitasking across computers, phones, and tablets, while also offering a 2.4GHz USB receiver for dedicated wireless connectivity.
Built with innovative Gateron low-profile mechanical switches that are 31% slimmer than conventional switches, the K3 Max maintains an aluminum and ABS frame with exceptional tactile response. The keyboard features advanced IXPE acoustic foam for silent keystrokes and enhanced comfort, combined with resilient latex foam for superior key switch support and durability. Powered by QMK/VIA open-source firmware, it offers unlimited customization possibilities including key remapping, macros, and custom commands through the Keychron Launcher web app. The north-facing RGB backlighting includes 22 different modes with adjustable hue, saturation, brightness, and effect speed. A 1550mAh rechargeable battery provides up to 78 hours of runtime with backlighting off or 40 hours with RGB on the lowest setting.
Package Contents:
- 1x Fully Assembled Keychron K3 Max Keyboard
- 1x Type-A to Type-C USB Cable
- 1x Type-A 2.4GHz Wireless Receiver
- 1x Extension Adapter for Receiver
- 1x Switch Puller Tool
- 1x Keycap Puller Tool
| Model Number | K3M-H3 |
| Layout | 75% (84 keys) |
| Switch Type | Gateron Low-Profile Brown (Tactile, Pre-lubed) |
| Actuation Force | 55g |
| Switch Face | North-facing |
| Key Rollover | N-Key (NKRO) |
| Polling Rate (2.4GHz) | 1000Hz |
| Polling Rate (Wired) | 1000Hz |
| Polling Rate (Bluetooth) | 90Hz |
| Wireless Connectivity | 2.4GHz (USB Receiver), Bluetooth 5.1, USB-C Wired |
| Bluetooth Devices | Up to 3 simultaneous connections |
| Keycap Material | Low-profile Double-shot PBT |
| Keycap Profile | LSA (Low-profile Spherical-angled) |
| Frame Material | ABS + Aluminum |
| Backlighting | Per-Key RGB (22 modes) |
| Multimedia Keys | 12 dedicated multimedia keys |
| Acoustic Foam | IXPE acoustic foam + latex foam |
| Stabilizers | Redesigned stabilizers (reduced wobble) |
| Battery Capacity | 1550mAh Li-Polymer |
| Battery Life (RGB Off) | Up to 78 hours |
| Battery Life (RGB On - Lowest Setting) | Up to 40 hours |
| Firmware | QMK/VIA (Open-source, fully programmable) |
| MCU | ARM Cortex-M4 32-bit with 256KB Flash |
| OS Compatibility | Windows and macOS (with OS switch and dedicated keycap sets) |
| Hot-Swappable | Yes (Gateron/Keychron low-profile MX switches only) |
| Adjustable Feet | 3 levels of adjustable typing angle |
| Cable | Type-A to Type-C USB Cable included |
| Receiver | Type-A 2.4GHz USB Receiver with extension adapter |
| Accessories Included | Switch puller, keycap puller |