Keychron B2 Pro UltraSlim Mechanical Keyboard - Main Image

Keychron B2 Pro UltraSlim Mechanical Keyboard

Keychron

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96%LinearTactileClickyWired2.4GHzBluetoothWireless

The Keychron B2 Pro UltraSlim is a meticulously engineered wireless mechanical keyboard designed for those who demand both portability and performance. With its 96% compact layout, this keyboard offers nearly all the functionality of a full-sized board while saving valuable desk space, making it an excellent choice for office professionals, remote workers, and keyboard enthusiasts alike. Its ultra-slim profile and lightweight construction make it ideal for users who are frequently on the move, whether transitioning between workstations or traveling. The keyboard supports seamless connectivity across multiple devices and operating systems, catering to Mac and Windows users who value flexibility. Enhanced by multi-media keys and a standard ANSI layout, it provides an intuitive typing experience that appeals to both productivity-focused users and casual gamers seeking a reliable, responsive peripheral.

Specifications

NameKeychron B2 Pro UltraSlim
Release year2025
Switch OptionsLinear, Tactile, Clicky
ProfileNormal Profile
Hot Swappable✖︎No
Layout Size96%
Layout StandardANSI
Layout ErgonomicsNormal
Knob Support✖︎No
Display Support✖︎No
Mac/Win Support✔︎Yes
Multi-Media Keys✔︎Yes
USB-C✖︎No
USB passthrough✖︎No
ConnectionWired, 2.4GHz, Bluetooth, Wireless
Polling Rate1000 Hz
Battery capacity300 mAh
Hall Effect Support✖︎No
QMK Support✖︎No
VIA Support✖︎No
N-Key Rollover✖︎No
Screw in Stabilizers✖︎No
Sound Dampening✖︎No
Backlight✖︎
Case ColorsBlackWhite
Case Material-
Keycaps MaterialABS
Dimensions5 x 96 x 5 mm
Weight5.2g

Description

Product Highlights

The standout feature of this keyboard is its remarkable blend of portability and versatility. The 96% layout incorporates 98 keys, including a full set of function and multimedia keys, ensuring users have access to essential shortcuts without sacrificing compactness. It supports three connectivity modes—Bluetooth 5.2, 2.4 GHz wireless, and wired USB-C—allowing instant switching between devices such as laptops, tablets, and smartphones. The keyboard’s 300mAh rechargeable battery delivers up to 300 hours of continuous use, minimizing downtime and maximizing productivity. With a swift 1000 Hz polling rate in both 2.4 GHz and wired modes, it offers near-instantaneous response times, making it suitable for fast-paced tasks and light gaming. The inclusion of concave keycaps enhances typing accuracy and comfort, while the dedicated Keychron Launcher web app unlocks advanced customization options, including key remapping and macro programming. Its cross-platform compatibility, ergonomic design, and robust feature set distinguish it from other ultra-slim keyboards on the market, making it a compelling choice for users who value both form and function.

Construction Details

Aesthetically, the keyboard boasts a minimalist and modern design, characterized by its ultra-thin profile—measuring just 5.2mm at its thinnest point—and a subtle tilt angle of 3.2 degrees for ergonomic support. The body and keycaps are crafted from durable ABS plastic, ensuring a lightweight yet sturdy build that withstands daily use. The ANSI layout provides familiarity for most users, while the concave keycaps are sculpted to fit the natural curvature of the fingertips, reducing typing fatigue and enhancing precision. The keyboard’s integrated frame offers stability, preventing wobbling during intense typing sessions. Its compact footprint (374.5 x 131.6 mm) and weight of just 585 grams make it easy to carry in a backpack or laptop bag. Despite its slimness, the construction does not compromise on durability, and the included silicone key skin adds an extra layer of protection against spills, dust, and wear, ensuring long-lasting performance.

Cross-Platform Compatibility

This keyboard excels in cross-platform versatility, supporting seamless operation across macOS, Windows, and Linux systems. Its triple-mode connectivity allows users to choose between Bluetooth 5.2 for wireless convenience, 2.4 GHz for ultra-low latency, and wired USB-C for uninterrupted performance. Switching between devices is effortless—simply toggle the connection mode to pair with up to three devices simultaneously, making it perfect for multitaskers who juggle between a laptop, tablet, and smartphone. The Bluetooth connection is stable and energy-efficient, while the 2.4 GHz wireless mode delivers a high polling rate of 1000 Hz, ensuring responsive input for demanding applications. The 300mAh battery provides up to 300 hours of use on a single charge, and the keyboard can be used while charging, eliminating downtime. The USB-C port ensures fast and reliable charging, with a full recharge taking approximately 2.5 hours. The keyboard’s compatibility extends to both Mac and Windows layouts, with dedicated multimedia and function keys that mirror Apple’s keyboard shortcuts, making it an excellent choice for users who operate in mixed-OS environments. The Keychron Launcher app further streamlines device switching and configuration, enhancing the overall user experience.

Tailoring Your Typing

Personalization is at the heart of this keyboard’s appeal. Through the Keychron Launcher web app, users can remap keys, create custom macros, and assign shortcuts tailored to their workflow. This level of customization empowers users to optimize their typing experience for productivity, gaming, or creative tasks. The keyboard supports both Mac and Windows keymaps, allowing seamless switching without the need to change keycaps or adjust to unfamiliar layouts. Although the keyboard does not feature backlighting, its sculpted, concave keycaps provide tactile feedback and visual clarity, making typing comfortable and precise even in low-light environments. The included silicone key skin not only protects the keys but also offers a subtle, customizable touch for those who prefer a softer typing surface. Users can also personalize their setup with third-party keycap sets, thanks to the standard ANSI layout. The intuitive Keychron Launcher interface makes it easy to experiment with different configurations, ensuring that every user can create a keyboard experience that matches their unique needs and preferences.

Beyond Basics

Beyond its core functionality, this keyboard offers thoughtful extras that enhance everyday use. The inclusion of 12 dedicated multimedia keys streamlines control over music, volume, and other system functions, improving workflow efficiency. The keyboard features a convenient emoji shortcut (fn + shift), enabling quick access to expressive icons during typing. Its ultra-slim profile not only looks sleek but also saves desk space, while the protective silicone key skin guards against spills and dust, extending the keyboard’s lifespan. The stable, integrated frame and ergonomic tilt angle ensure comfort during extended typing sessions, making it a reliable companion for both work and leisure.

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