SKU: 71802342743

Keychron K3 Max QMK/VIA Wireless 75% Custom Mechanical Keyboard | BROWN Switches

Sale price$1147.05 Regular price$1274.50
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Keychron K3 Max QMK/VIA Wireless 75% Custom Mechanical Keyboard | BROWN SwitchesThe Keychron K3 Max QMK VIA Low Profile Wireless Custom Mechanical Keyboard is an ultra slim 75% compact mechanical keyboard designed for maximum versatility and efficiency. Supporting 2. 4 GHz, Bluetooth 5. 1, and USB Type C wired connectivity, it seamlessly adapts to various work and gaming environments. Users can take full control of their setup using the Keychron Launcher web app, which enables key remapping, macros, and custom commands with ease.

The Keychron K3 Max QMK/VIA Low Profile Wireless Custom Mechanical Keyboard is an ultra-slim 75% compact mechanical keyboard designed for maximum versatility and efficiency. Supporting 2.4 GHz, Bluetooth 5.1, and USB Type-C wired connectivity, it seamlessly adapts to various work and gaming environments. Users can take full control of their setup using the Keychron Launcher web app, which enables key remapping, macros, and custom commands with ease. The LSA (low-profile spherical-angled) keycaps are designed for both Windows and macOS, ensuring a smooth typing experience right out of the box.

Designed for fast-paced gaming and professional multitasking, the K3 Max features a 1000Hz polling rate in both 2.4GHz and wired modes, minimizing input lag for near-instant responsiveness. The Gateron Low Profile Brown switches offer a tactical, pre-lubed feel, delivering responsive keystrokes with medium sound levels, making them ideal for Midway office work and gaming. The keyboard’s hot-swappable version allows users to customize their typing experience without soldering, making it easier than ever to swap switches for a personalized feel.

Powered by QMK/VIA firmware, the K3 Max provides extensive customization options for power users. The ARM Cortex-M4 32-bit MCU with 256KB Flash ensures stable performance, while the IXPE acoustic foam dampens keystroke sounds, creating a quieter and more comfortable typing experience. Additionally, redesigned stabilizers help reduce key wobble, especially on larger keys like the space bar, Shift, Enter, and Backspace, ensuring greater accuracy and consistency. For Mac users, the dedicated macOS layout replicates the Apple keyboard function keys, making it a seamless transition for Apple enthusiasts.

Aesthetically, the K3 Max combines functionality with style, featuring double-shot PBT keycaps for enhanced oil resistance and durability. With 22 RGB backlight effects (plus a white backlight option), users can further fine-tune brightness, hue, and effect speed for a fully immersive experience. The 1550mAh battery provides up to 73 hours of wireless use with backlight off and 42 hours with RGB at its lowest brightness, ensuring long-lasting wireless performance. Compact, powerful, and highly customizable, the Keychron K3 Max sets a new benchmark for low-profile mechanical keyboards.

FEATURES:

  • Customisable keyboard with 75% layout
  • 2.4GHz & Bluetooth connection
  • QMK/VIA Support
  • Double-shot PBT keycaps
  • Ultra-slim design
  • Hot-swappable
  • RGB LED lights
  • Low profile Gateron Low Profile BROWN switches
  • Acoustic foam

SPECIFICATIONS:

  • Colour: Black
  • Number of Keys: 84 (75%)
  • Switches: Gateron low-profile mechanical
  • Switch Face: North-facing
  • Number of Multimedia Keys: 12
  • Frame Material: ABS + Aluminium frame
  • Keycap Material: Low-profile double-shot PBT
  • Layout: ANSI
  • Polling Rate (2.4GHz and Wired Mode): 1000Hz
  • Polling Rate (BT Mode): 90Hz
  • N-Key Rollover (NKRO): Yes for both wireless and wired modes
  • Backlit: 22 types of RGB backlight options plus endless possibilities
  • Battery: 1550mAh rechargeable li-polymer battery
  • Wireless Working Time (Backlit off): Around 73 hours (Lab test result may vary by actual use)
  • Wireless Working Time (RGB): Around 42 hours (Lowest brightness)
  • Connection: 2.4GHz / Bluetooth / Type-C wired
  • Bluetooth version: 5.1
  • Bluetooth Device Name: Keychron K3 Max
  • Compatible System: macOS / Windows / Linux
  • Typing Angle: 2.5º, 4.2º and 6.5º
  • MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
  • Operating Environment: -10 to 50℃
  • Gateron Low Profile BROWN Switch:
    • Operating force: 55 ± 15 gf
    • Pre-travel: 1.7 ± 0.4mm
    • Travel distance: 3.0 ± 0.2mm
    • Behavior: Tactile
    • Pre-lubed: Yes
    • Sound level: Medium
    • Suitable for: Midway Office/gaming
  • Product Dimensions: 30.6 x 11.6 x 1.7~2.2 cm
  • Product Weight: 525g

WHAT’S IN THE BOX:

  • Keychron K3 Max QMK/VIA Low Profile Wireless Custom Mechanical Keyboard | BROWN Switches – Black x1
  • Type-A to Type-C Cable x1
  • Extension Adapter for Receiver x1
  • Type-A 2.4GHz Receiver x1
  • Keycap & Switch Puller x1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71802342743

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4.5 ★★★★★
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David C. Olson
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★★★★★ 5
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This restoration kit is appealing because it offers a way to improve cloudy or oxidized headlights without needing power tools. That makes it accessible for people who want to do the job themselves without investing in extra equipment. Cerakote also has a strong reputation in protective coatings, which gives this kit added credibility compared with generic restoration products. The biggest selling point is the promise of restoring clarity while adding a protective finish to help maintain the results. If the process is easy to follow and the wipes are effective, this can be a worthwhile DIY option for improving both appearance and nighttime visibility. For vehicle owners with faded headlights, this seems like one of the more convenient restoration approaches available.
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Reviewed in the United States on May 18, 2026
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Tural Farziev
Lexington, US
★★★★★ 5
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Honestly one of the best headlight restoration kits I’ve used. The instructions were simple, the process was easy to follow, and the results were way better than expected. My headlights were heavily oxidized and yellow, and after using the 2000/3000 grit sanding steps with the ceramic coating, they looked almost brand new again. The ceramic finish made them crystal clear and glossy. Definitely worth the money and much better than cheap polish-only kits.
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Reviewed in the United States on May 22, 2026
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cwin
Whiting, US
★★★★★ 5
Very happy with the outcome, worked perfectly
Size: 1 Count (Pack of 1)
I was very happy with the CERAKOTE Ceramic Headlight Restoration Kit. The instructions were simple to follow, and the whole process was much easier than I expected. My headlights were cloudy and dull before using it, but after completing the steps, they looked dramatically clearer and much closer to new. The kit included everything needed, and I liked that it did not require any extra tools or complicated equipment. The results made a noticeable difference in the appearance of the vehicle, and the headlights also seem brighter at night. Overall, this is a great product that does exactly what it claims. I would definitely recommend it to anyone looking for an affordable and effective way to restore foggy headlights.
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Reviewed in the United States on May 25, 2026
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Gabrila
Houston, US
★★★★★ 5
Highly Recommend – Amazing Results on My Honda Accords!
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I recently used the Cerakote Headlight Restoration Kit on both my 2008 and 2014 Honda Accords, and I’m genuinely impressed. The headlights on both cars were badly oxidized, hazy, and yellowed from years of sun exposure. After following the kit’s instructions, they look crystal clear and almost like new again. The process is pretty straightforward and beginner-friendly. It does take roughly an hour per headlight set if you follow all the steps carefully and allow proper air drying time before the final clear coat. There’s a bit of elbow grease involved with the sanding and polishing stages, but nothing overly difficult. The kit provides everything you need, and the instructions are clear. The results are excellent! Both cars now have headlights that look factory-fresh. I’m really happy with how bright and clear they are at night. Best part? I saved a ton of money by restoring them instead of buying expensive OEM replacements. The only minor uncertainty is long-term durability (how well the clear coat holds up after a couple years of sun, weather, and car washes), but for the price and the dramatic improvement I saw, it’s absolutely worth it. I’d definitely buy this kit again if needed. Highly recommended for anyone dealing with cloudy headlights. Great product that delivers professional-looking results at a fraction of the cost!
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Reviewed in the United States on May 3, 2026
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Cleaver
Fort Morgan, US
★★★★★ 4
Best product I've tried so far but still temporary. YMMV.
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Reviewed in the United States on May 8, 2026

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