Keychron K2 Max K2M-J3 QMK Wireless Mechanical Keyboard Brown Switch 75% US (Boxed)
The Keychron K2 Max is a premium 75% wireless mechanical keyboard with QMK customization, hot-swappable brown switches, 2.4GHz/Bluetooth/wired connectivity, south-facing RGB, and enhanced acoustic foams for superior typing.
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 Programmable Keys |
| Keyboards - Form Factor | Compact (60% / 65% / 75%) |
| Keyboards - Key Layout | US |
| Keyboards - Switch Type | Mechanical - Tactile |
| Keyboards - Connection | Bluetooth Wired (USB) Wireless RF (USB Dongle) |
| Keyboards - Backlighting | South-facing RGB |
The Keychron K2 Max (K2M-J3) is a versatile 75% wireless mechanical keyboard featuring hot-swappable brown switches, QMK firmware, and multi-device connectivity via 2.4GHz (1000Hz polling), Bluetooth 5.1 (3 devices), or USB-C wired. It delivers an upgraded typing experience with multiple acoustic foam layers (IXPE, PET, EPDM), steel plate, and south-facing RGB lighting compatible with Cherry-profile keycaps.
Built with a durable ABS+aluminum frame, OSA-profile double-shot PBT keycaps, and screw-in PCB stabilizers, the K2 Max supports both Mac and Windows layouts with system toggle. Powered by a 4000mAh battery offering up to 256 hours (backlight off), it features an ARM MCU with 256KB Flash for advanced customization via the Keychron Launcher web app.
- 84 ANSI keys with 12 multimedia functions
- 1000Hz polling in 2.4GHz/wired modes, NKRO support
- 22+ RGB modes, adjustable brightness/speed
- Ergonomic 3-level typing angles (5°/9°/12°)
- Includes: keyboard, case, steel plate, foams, keycaps, switches, USB-C cable, 2.4GHz receiver, tools
| Layout | 75% ANSI (84 keys) |
| Switches | Keychron Super Brown (Hot-swappable 3/5-pin MX) |
| Keycaps | Double-shot PBT, OSA profile |
| Frame | ABS + Aluminum |
| Backlighting | South-facing RGB (22+ modes) |
| Connectivity | 2.4GHz (1000Hz), Bluetooth 5.1 (90Hz), USB-C wired (1000Hz) |
| Battery | 4000 mAh (256h backlight off, 100h RGB low) |
| Polling Rate | 1000Hz (2.4GHz/Wired), 90Hz (BT) |
| N-Key Rollover | Yes (wired/wireless) |
| MCU | ARM Cortex-M4 32-bit STM32F402 (256KB Flash) |
| Dimensions (keyboard) | 317 x 122 x 32-42 mm (W x D x H) |
| Weight (keyboard) | 1080 g |
| Compatibility | macOS, Windows, Linux |
| Multimedia Keys | 12 |