Keychron B1 Pro Ultra-Slim ZMK/Launcher Wireless Bluetooth 2.4 GHz/Wired Connection Keyboard for Mac Windows Linux - Retro Red
Bottom line: The Keychron B1 Pro Ultra-Slim ZMK/Launcher Wireless Bluetooth 2.4 ($39.99 on Amazon as of 2026-10-21 10:16 UTC): 1000 Hz polling in 2.4 GHz mode for responsive wireless input; main trade-off: scissor switches lack the travel and feel of a mechanical keyboard.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 1000 Hz polling in 2.4 GHz mode for responsive wireless input
- ✓ Bluetooth 5.2, 2.4 GHz and wired modes across Mac, Windows and Linux
- ✓ Rated up to 1200 hours of battery, about 8 months at 5 hours a day
- ✓ Ultra-slim 0.2 in front and 0.57 in rear height, easy to pack
- ✓ Browser-based Launcher remapping and macros with no software install
Cons
- ✗ Scissor switches lack the travel and feel of a mechanical keyboard
- ✗ Launcher web app lists only Chrome, Edge and Opera as supported
- ✗ ABS plastic body, not the aluminum used on premium boards
- ✗ Low-profile concave keycaps may take time if you are used to tall caps
Manufacturer description
The Keychron B1 Pro is an ultra-slim wireless keyboard for people who move between a desk, a laptop and a tablet. It stands just 0.2 inches tall at the front and 0.57 inches at the rear, so it slips into a laptop sleeve and sits flat on a crowded desk. You can connect it three ways. The 2.4 GHz wireless mode polls at 1000 Hz for responsive cable-free input, Bluetooth 5.2 lets you switch between devices, and a wired mode covers everything else. It works with Mac, Windows and Linux. The scissor-switch keys are designed to be quiet, which suits shared offices and late-night typing. Concave…
SpecPicks Verdict
SpecPicks scored Keychron B1 Pro Ultra-Slim ZMK/Launcher Wireless Bluetooth 2.4… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. Keychron's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming peripherals 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the Keychron B1 Pro work with both Mac and Windows?
Yes. The listing says it works with macOS, Windows and Linux over 2.4 GHz wireless, Bluetooth 5.2 or a wired connection.
How long does the battery last on a charge?
Keychron rates it at up to 1200 hours of use, which is roughly 8 months at 5 hours of typing per day. Your actual runtime depends on how you use it and which connection mode you choose.
Is the B1 Pro quiet enough for an office?
Yes, that is what it is built for. It uses scissor-switch keys designed for quiet typing, which suits shared offices and late-night use better than most mechanical switches.
Can I remap keys or create macros?
Yes. Use the Keychron Launcher web app in Chrome, Edge or Opera on macOS, Windows or Linux. You don't need to download any software.
How thin is the Keychron B1 Pro?
It is 0.2 inches tall at the front and 0.57 inches at the rear. It has an ABS body and comes with a protective silicone skin for travel.
Key Features
- Dual Wireless Connectivity: The B1 Pro offers a high-performance 1000 Hz polling rate in 2.4 GHz mode for a smooth, cable-free experience. Easily switch between devices with Bluetooth 5.2 for seamless multitasking across multiple platforms.
- Whisper-Quiet Typing: Scissor-switch keys provide silent, comfortable typing—ideal for offices or late-night use. Plus, quick emoji access via Fn + Shift adds a fun and efficient way to express yourself.
- Customizable Key Mapping: Remap keys and create macros with the Keychron Launcher web app—no downloads needed. It runs smoothly on Chrome, Edge, and Opera across macOS, Windows, and Linux.
- Up to 1200 Hours Battery Life: Enjoy up to 1200 hours of use—roughly 8 months with 5 hours of daily typing. The B1 Pro is built for long-lasting productivity, featuring concave keycaps for precise input and ergonomic comfort.
- Sleek and Travel-Friendly Design: At just 0.2" front and 0.57" rear height, the B1 Pro is ultra-slim and portable. Durable ABS body and a protective silicone skin make it ideal for on-the-go use.
Full Specifications
| Brand | Keychron |
|---|---|
| Color | Retro Red |
| Language | English |
| Unit Count | 1 Count |
| Switch Type | Linear |
| Battery Life | 1200 hours |
| Connectivity | Bluetooth, 2.4GHz |
| Compatibility | Switch, Mac, Linux |
| Number of Keys | 77 |
| Button Quantity | 77 |
| Connection Type | Wired |
| Keyboard Layout | QWERTY |
| Keyboard layout | QWERTY |
| Mfr Part Number | B1 Pro |
| Number of Items | 1 |
| Number of Packs | 1 |
| Special Feature | Silent |
| Antenna Location | Business |
| Hand Orientation | Ambidextrous |
| Compatible Devices | PC |
Ready to buy?
Keychron B1 Pro Ultra-Slim ZMK/Launcher Wireless Bluetooth 2.4 GHz/Wired Connection Keyboard for Mac Windows Linux - Retro Red is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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