Keychron B4 Pro Ultra-Slim 96% Wireless Keyboard, Bluetooth/2.4 GHz/Wired Connection Keyboard with Numpad, Launcher, Up to 300 Hours Battery Compatible with Mac Windows Linux - Space Gray — Open-Box, 8% Off

Name: Keychron B4 Pro Ultra-Slim 96% Wireless Keyboard, Bluetooth/2.4 GHz/Wired Connection Keyboard with Numpad, Launcher, Up to 300 Hours Battery Compatible with Mac Windows Linux - Space Gray
Brand: Keychron
SKU: awhd-us-b0frrt1yzb
Price: 36.79 USD
Availability: InStock

Brand: Keychron

Condition: Used - VeryGood

$36⁷⁹

$39⁹⁹

-8% Save $3²⁰

Updated: 9 days ago

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Description

Ultra-Slim 96% Wireless Keyboard with Numpad: The Keychron B4 Pro is a slim, lightweight and portable wireless keyboard featuring a compact 96% layout that saves desk space while retaining number pad. It supports wireless and wired connections, offering seamless compatibility with phones, tablets, PCs, and Macs.

2.4 GHz & Bluetooth Connectivity: With up to 1000 Hz polling rate in both 2.4 GHz and wired modes, the B4 Pro delivers smooth, low-latency performance for productivity. Effortlessly switch between devices via Bluetooth 5.2, making multitasking across your phone, tablet, and laptop simple and responsive.

Compatible with All Devices: Fully compatible with macOS and Windows, the B4 Pro lets you switch between multimedia and function keys using Fn + X + L. A handy side toggle instantly changes OS modes—perfect for users who move between multiple platforms and devices.

Up to 300 Hours of Battery Life: Powered by an 800 mAh battery, the B4 Pro offers up to 300 hours of continuous use on a single charge. Create, work, or game longer without worrying about frequent recharging—perfect for professionals on the go.

Program with the Keychron Launcher Web App: Remap any key and create macros effortlessly using the Keychron Launcher web app. It runs directly in your browser on macOS, Windows, and Linux—no installation required.

Ultra-Slim Body with Round Keycaps: The ultra-slim body paired with rounded keycaps delivers precise input and lasting comfort. Designed to match your fingertips’ natural shape, they help reduce typing errors and improve overall efficiency.

Keychron B4 Pro Ultra-Slim Wireless Keyboard combines a sleek, lightweight body with a compact 96% layout, balancing portability and operational efficiency. It supports three connection methods—2.4 GHz wireless, Bluetooth 5.2, and wired—delivering low-latency performance with a 1000 Hz polling rate, seamlessly compatible with phones, tablets, PCs, and Macs. Via the Keychron Launcher web app, no installation required, you can remap keys and create macros directly in your browser on macOS/Windows/Linux, while the 800mAh battery delivers up to 300 hours of use per charge. It‘s an excellent choice for competitive gaming sessions and demanding workflows where speed truly matters.

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Product Details

SKU:: awhd-us-b0frrt1yzb
Model:: B4 Pro
Country:: US
ASIN:: B0FRRT1YZB

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 $3 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.