Keychron K4 Max Wireless Custom Mechanical Keyboard with Number Pad, QMK Programmable 100 Keys RGB Backlight, Bluetooth/2.4 GHz/Wired PBT Keycaps Compatible with Mac Windows Linux — Open-Box, 20% Off

Name: Keychron K4 Max Wireless Custom Mechanical Keyboard with Number Pad, QMK Programmable 100 Keys RGB Backlight, Bluetooth/2.4 GHz/Wired PBT Keycaps Compatible with Mac Windows Linux
Brand: Keychron
SKU: awhd-us-b0dj2nndch
Price: 87.66 USD
Availability: InStock

Brand: Keychron

Condition: Used - Mint

$87⁶⁶

$109⁹⁹

-20% Save $22³³

Updated: 10 days ago

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Description

The K4 Max combines a 96% layout with number pad, tri-mode connectivity: 2.4 GHz wireless, Bluetooth, and Type-C wired. Configurable via QMK and the Keychron Launcher, it’s your versatile companion for work and gaming, delivering precision and productivity.

Tri-Mode Wireless Mechanical Keyboard: Keychron K4 Max gaming keyboard supports 2.4 GHz wireless, Bluetooth 5.1, and wired modes. Seamlessly switch between gadgets and enjoy ultra-low latency with a 1000 Hz polling rate in 2.4G and wired modes, perfect for fast-paced gaming and multitasking.

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.

MacOS & Windows Support: Fully optimized for macOS with the same multimedia keys as native Mac devices, the K4 Max also includes extra keycaps for Windows. Effortlessly toggle between MacOS and Windows for a seamless multi-OS experience.

PBT Keycaps & RGB LED Lighting: The south-facing RGB enhances backlight visibility from the user's angle. Paired with high-quality, non-shine-through PBT keycaps, it’s free from interference when using Cherry-profile alternatives.

K4 Max RGB Backlight Brown Switch - Black

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Product Details

SKU:: awhd-us-b0dj2nndch
Country:: US
ASIN:: B0DJ2NNDCH

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $22 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Keychron products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.