Keychron
K2 Max QMK/VIA 2.4 GHz & Bluetooth Wireless Custom Mechanical Keyboard for Mac/Windows/Linux, 75% Layout Keyboard RGB Backlight with Aluminum Banana Switch - Black
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The K2 Max QMK/VIA 2.4 GHz & Bluetooth Wireless Custom Mechanical Keyboard for Mac/Windows/Linux, 75% Layout Keyboard RGB Backlight with Aluminum Banana Switch - Black is a mid-pack option worth checking against alternatives in the keyboards & mice category, priced around $99.99, rated 3.8★ across 13 verified Amazon reviews. Worth shortlisting, but check close alternatives before deciding.
SpecPicks Verdict
SpecPicks classifies Keychron K2 Max QMK/VIA 2.4 GHz & Bluetooth Wireless Custom… as a mid-pack option worth checking against alternatives in the keyboards & mice category, based on 13 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Keychron's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by Keychron's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Tri-Mode Wireless Mechanical Keyboard: The Keychron K2 Max is a 75% layout keyboard with 2.4G wireless, Bluetooth 5.1, and Type-C wired modes. Connect up to 3 devices and seamlessly switch between your laptop, tablet, and smartphone via Bluetooth. With a 1000Hz polling rate in 2.4G and wired modes, it's perfect for gaming and work.
- MacOS & Windows Compatibility: Fully optimized for macOS with the same multimedia keys as native Mac devices, the K2 Max also includes extra keycaps for Windows. Effortlessly toggle between MacOS and Windows for a seamless multi-device experience.
- Enhanced Acoustic Foams: Enjoy a premium typing experience with advanced IXPE foam for comfort and durable EDPM foam for key switch support. The steel plate ensures responsive feedback and quiet typing, while the added weight boosts overall keyboard stability.
- QMK Firmware with Launcher Web App: Customize endlessly with QMK open-source firmware for key remapping, macros, and shortcuts. Access the Keychron Launcher web app without installation, always staying up-to-date with the latest features—no downloads required.
- Long-Life Battery with South-Facing RGB Backlight: Featuring a robust 4000mAh rechargeable battery, the K2 Max delivers up to 190 hours of use with the backlight off or 100 hours on lowest brightness, ensuring long-lasting performance for all your needs.
Full Specifications
| Brand | Keychron |
|---|---|
| Color | Keychron Super Banana Switch |
| Weight | 2.4g |
| Material | Aluminum |
| Model Name | K2M-J4 |
| Unit Count | 1.0 Count |
| Switch Type | Mechanical |
| Connectivity | Bluetooth, 2.4GHz |
| Model Number | K2M-J4 |
| Power Source | Battery Powered |
| Compatibility | Switch, Mac, Linux |
| Number of Keys | 84 |
| Connection Type | Wired |
| Keyboard Layout | QWERTY |
Ready to buy?
Keychron K2 Max QMK/VIA 2.4 GHz & Bluetooth Wireless Custom Mechanical Keyboard for Mac/Windows/Linux, 75% Layout Keyboard RGB Backlight with Aluminum Banana Switch - Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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