Keychron B31 Wireless Keyboard
Keychron B31 Wireless Keyboard - Fully Assembled / Deep Black is backordered and will ship as soon as it is back in stock.
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The B31 is a wireless keyboard with a 75% layout, designed for versatility and comfort. It features silent typing, an innovative scissor mechanism, and supports 2.4 GHz wireless, Bluetooth 5.2, and wired connections. With Launcher web app support, key customization has never been easier.
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No discount codes can be used for B31.
Keychron B31
The B31 is a wireless keyboard with a 75% layout, built for both versatility and comfort. Its silent typing and scissor mechanism deliver a smooth, quiet experience, while tri-mode connectivity—via 2.4 GHz, Bluetooth 5.2, and wired—ensures seamless use across multiple devices, whether you're at home, in the office, or on the go.
Scissor Mechanism
The B31 scissor switch is equipped with a more innovative design than the traditional scissor mechanism. It is 59% taller than the standard ones, leading to a more accurate, stable and even quieter keystroke.
Silent Typing
This keyboard features fully pre-lubed keys, ensuring exceptionally smooth keystrokes with minimal friction and a consistent feel across every key. It delivers an ultra-quiet typing experience that’s ideal for shared spaces, office work, or late-night gaming.
Program B31 with Keychron Launcher.
Unlock limitless customization with Keychron Launcher web app, enabling easy key remapping, macros, shortcuts, and more.
* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher.
Anytime, Anywhere Access
Keychron Launcher is a web page configurator that you can use in the office, school, lab, or government department—anywhere with internet access. Configure your keyboard online anytime without the need to download or install files. No hassle, no trouble.
Compatible with All Platforms
As a web-based tool, Keychron Launcher supports all operating systems. Personalize and program your keyboard on Windows, macOS, Linux, and more. Enjoy unprecedented flexibility with compatibility across Chrome, Edge, and Opera browser.
Always Up to Date
Keychron Launcher is continuously updated, ensuring you always have access to the latest version. There's no need to download updates or wait for installations.
Wireless and Wired
Enjoy excellent performance with the B31's 2.4 GHz wireless connection, featuring a swift 1000 Hz polling rate for a cable-free and tidy setup. Effortlessly switch between devices using Bluetooth 5.2, enabling smooth multitasking. Wired (USB-C) – for a stable, plug-and-play connection and charging at the same time.
Plug-and-Play Receiver
For a better 2.4 GHz wireless experience, the B31 comes with a Type-A receiver. Enjoy the quick plug-and-play time. Or, put it away in the keyboard magnetic storage slot at the top right corner.
Suitable For All Devices
The B31 has a system toggle to switch between Windows and macOS systems. And you can even configure different keymaps for both devices. Our Keychron Launcher web app is compatible with macOS, Windows, and Linux.
Continuous Usage
Our B31 keyboard is equipped with an 800mAh rechargeable battery, providing impressive long-lasting performance. With intelligent power management and efficient wireless connectivity, it can deliver up to 320 hours of continuous use on a single charge. This ensures you enjoy extended battery life without frequent charging—perfect for a truly wireless, uninterrupted experience.
Convenient Shortcut Keys
The B31 is designed with user-friendly shortcut functionality, allowing you to easily switch between multimedia controls (like volume, play/pause, and brightness) and standard function keys (F1–F12). By pressing Fn + X + L for three seconds, you can seamlessly toggle between these two modes.
Convenient Shortcut Keys
The B36 is designed with user-friendly shortcut functionality, allowing you to easily switch between multimedia controls (like volume, play/pause, and brightness) and standard function keys (F1–F12). By pressing Fn + X + L for three seconds, you can seamlessly toggle between these two modes.
Ergonomic Support
The easily adjustable angles (6.5º/ 9º) bring out the best typing experience to provide long-lasting ergonomic support for your wrist. The slightly taller keycaps helps prevent wobbling and reducing fatigue even during long typing sessions.
What's in the box?
Specs
| Width | 138.33 mm |
|---|---|
| Length | 327.06 mm |
| Front Height | 17.94 mm (inclu. keycaps) |
| Back Height | 25.92 mm (inclu. keycaps) |
| Polling Rate | 1000 Hz (2.4 GHz & Wired)/ 125 Hz (Bluetooth) |
| Angle | 5° / 6.5° / 9° |
| Weight | 520 ± 10 g |
| Body Material | ABS Plastic |
| Keycap Material | ABS (Keycaps are not replaceable.) |
| NKRO Support | Yes |
| Number of Keys | 82 (75%) |
|---|---|
| MCU | Telink TLSR8258 |
| Bluetooth Version | 5.2 |
| Battery | 800 mAh rechargeable li-polymer |
| Connectivity | 2.4GHz / Bluetooth / Type-C Wired |
| Backlight | Non-Backlit |
| Cable | Type-C cable + Type-A to Type-C adapter |
| Operating Environment | -10℃ to 50℃ |
| Wireless Working Time | Up to 320 hours (Lab test result may vary by actual use) |
| Hot-swappable | No |
Learn more about the Keychron B31 such as the Keychron Launcher tutorial, factory reset, and more.
