Description
Keychron K5 Max QMK/VIA Wireless Full Size Custom Mechanical Keyboard
K5M-H3
The Keychron K5 Max Brown Switch Edition is a low-profile full-size mechanical keyboard crafted for users who want both productivity and comfort in a premium, wireless design. Combining a 100% layout with Gateron Low-Profile Brown tactile switches, it offers the perfect balance between responsiveness and a gentle tactile bump, making it ideal for typing and mixed use.
It supports Tri-Mode Connectivity, letting you switch between 2.4 GHz wireless for gaming-grade performance, Bluetooth 5.1 for multi-device pairing, and USB-C wired for direct connection and uninterrupted power. A 1000 Hz polling rate ensures minimal input latency — matching wired performance levels even in wireless mode.
The keyboard’s double-shot PBT keycaps resist shine and wear, while the ultra-slim aluminium frame gives a sleek, minimalist aesthetic. Powered by a 2000 mAh battery, the K5 Max lasts up to 300 hours on Bluetooth, ensuring extended wireless freedom.
With QMK & VIA support, every key can be reprogrammed — from lighting control to macros and layers — making it perfect for power users. Compatible across Windows, macOS, and Linux, this keyboard adapts to any setup effortlessly.
Why It’s a Great Choice
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Tactile Typing Feel: Gateron Brown Switches offer gentle feedback without loud clicks — ideal for typing and office use.
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Tri-Mode Freedom: Switch instantly between Bluetooth, 2.4 GHz, and wired connections for any setup.
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Full-Size Layout: Includes numpad and function row for maximum productivity and gaming flexibility.
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Customisable Everything: QMK / VIA firmware lets you map macros, layers, and custom lighting effects.
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Premium Build: Aluminium frame and double-shot PBT keycaps ensure durability and luxury feel.
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Strong Battery Life: 2000 mAh battery delivers up to 300 hours on Bluetooth.
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Compact Elegance: Low-profile design offers comfort and space efficiency without compromise.
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Cross-Platform Ready: Plug-and-play compatibility with Windows, macOS and Linux systems.
Specifications:
| Specification | Details |
|---|---|
| Model | K5M-H3 (Keychron K5 Max Brown Switch) |
| Layout | Full Size (108 Keys + Numpad) |
| Switch Type | Low-Profile Gateron Brown (Tactile Hot-Swappable) |
| Keycap Material | Double-Shot PBT (OSA Low Profile) |
| Connectivity | 2.4 GHz Wireless / Bluetooth 5.1 / USB-C Wired |
| Polling Rate | 1000 Hz (Wired & 2.4 GHz) |
| Battery | 2000 mAh Rechargeable Li-Polymer |
| Battery Life | Up to 300 Hrs (Bluetooth Low Brightness) |
| Backlight | White / RGB LED (per variant) |
| Firmware Support | QMK / VIA Programmable |
| Compatibility | Windows • macOS • Linux |
| Frame Material | Aluminium Top / ABS Bottom |
| Dimensions | 435 × 120 × 22 mm |
| Weight | ≈ 735 g |
| Cable Type | USB-C Detachable |
| Colour | Black |
| Warranty | 1 Year |


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