Keychron
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 - Ivory White
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies Keychron B4 Pro Ultra-Slim 96% Wireless Keyboard, Bluetooth/2.4 GHz/W… as a category leader on buyer feedback in the keyboards & mice category, based on 15 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Keychron's positioning sits comfortably above the category median. 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
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Backed by Keychron's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- 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.
Full Specifications
| Brand | Keychron |
|---|---|
| Color | Ivory White |
| Language | English |
| Material | Acrylonitrile Butadiene Styrene |
| Model Name | B4P-K1 |
| Unit Count | 1.0 Count |
| Battery Life | 300 hours |
| Connectivity | Bluetooth, 2.4GHz |
| Model Number | B4 Pro |
| Power Source | Battery Powered |
| Compatibility | Switch, Mac, Linux |
| Built-In Media | Keyboard x1, Silicone Skin x1, Type-A 2.4 GHz Receiver x1, Type-A to Type-C Adapter x1, Type-C Cable x1 |
| Number of Keys | 96 |
| Connection Type | Wired |
Ready to buy?
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 - Ivory White 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 2026-05-12. Price and availability subject to change.
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