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Keychron B1 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection

Keychron B1 Pro Mechanical Keyboard

4.0 (8)
The Keychron B1 Pro is a compact 75% mechanical keyboard designed for users who want a low-profile typing experience with flexible connectivity. It suits office workers or casual typists who prefer a slim design and need to switch easily between Windows and macOS layouts. Its wireless and wired options make it convenient for both desktop and mobile use, while programmability allows some customization without advanced firmware support.</p... Read more
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Keychron B1 Pro 75% Wireless Low Profile Keyboard

MK
MK
Based in US
$37

Keychron B1 Pro Ultra-Slim ZMK/Launcher ...

Amazon
Amazon
Based in US
$40

Keychron B1 Pro Ultra-Slim Wireless Keyboard

Keychron
Keychron
Ships to US
$39

Keychron B1 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection

Keychron
Keychron
Ships to US
$39

Keychron B1 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection

Keychron (DE)
Keychron (DE)
No shipping to US
$54
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Keychron B1 Pro Ultra-Slim Wireless Keyboard (US ANSI Layout)

Keychron (DE)
Keychron (DE)
No shipping to US
$56

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Compare Keychron B1 Pro vs Keychron B2 Pro vs Keychron V1 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron B1 ProKeychron B2 ProKeychron V1
Keychron B1 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection
Keychron B2 Pro Ultra-Slim Wireless Keyboardd (ISO Layout)
97
Keychron V1 QMK Custom Mechanical Keyboard
4.2 (15)
1.0 (1)
2.5 (61)
  • Released in 2024
  • Built with the ANSI, ISO, JIS layout standard
  • Weighs about 425 g
  • Sized at 5 x 296 x 130 mm
  • Released in 2025
  • Available in a 96% layout
  • Built with the ISO, JIS, ANSI layout standard
  • Weighs about 585 g
  • Sized at 5 x 96 x 5 mm
  • Released in 2022
  • Supports hot-swappable switches
  • Built with the ANSI, ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ISO-NO layout standard
  • Comes with a knob
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 995 g
  • Sized at 18 x 149 x 329 mm
  • Features PBT, ABS, keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
Scores
  • Performance: 48.2
  • Build Quality: 41.6
  • Productivity: 66.3
  • Customizability: 45
  • Portability: 77.9
Scores
  • Performance: 48.7
  • Build Quality: 42.6
  • Productivity: 67.4
  • Customizability: 46.2
  • Portability: 50.9
Scores
  • Performance: 90.9
  • Build Quality: 89.2
  • Productivity: 97.9
  • Customizability: 99.5
  • Portability: 64.7
Name
Keychron B1 Pro
Name
Keychron B2 Pro
Name
Keychron V1
Release year
2024
Release year
2025
Release year
2022
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
96%
Layout Size
75%
Layout Standard
ANSI, ISO, JIS
Layout Standard
ISO, JIS, ANSI
Layout Standard
ANSI, ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ISO-NO
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wired only
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Polling Rate
1000 Hz;8000 Hz
Battery capacity
800 mAh
Battery capacity
800 mAh
Battery capacity
-
Hall Effect Support
 
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
-
Mount Style
-
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Backlight
 
Rgb, South-face, White, White South-face
Case Colors
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
Plastic, ABS
Case Material
Plastic, ABS
Keycaps Material
ABS
Keycaps Material
ABS
Keycaps Material
PBT, ABS,
Dimensions
5 x 296 x 130 mm
Dimensions
5 x 96 x 5 mm
Dimensions
18 x 149 x 329 mm
Weight
425g
Weight
585g
Weight
995g
*Something incorrect or missing? Please
let me know
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Product Description

The Keychron B1 Pro is a compact 75% mechanical keyboard designed for users who want a low-profile typing experience with flexible connectivity. It suits office workers or casual typists who prefer a slim design and need to switch easily between Windows and macOS layouts. Its wireless and wired options make it convenient for both desktop and mobile use, while programmability allows some customization without advanced firmware support.

Key Features

  • Three connection modes: wired USB-C, Bluetooth 5.2, and 2.4 GHz wireless, offering versatility for different environments.
  • Easy toggle switch for Windows and macOS layouts, enabling quick adaptation to multiple operating systems.
  • Programmable via Keychron Launcher and ZMK, allowing users to customize key functions without QMK or VIA firmware.
  • Ultra low-profile design with scissor switches and concave ABS keycaps, providing a slim typing angle and a quieter, softer keypress.
  • Includes a rechargeable 800mAh battery and a 1000 Hz polling rate in wired and 2.4 GHz modes, supporting responsive input.

Connectivity

The keyboard supports wired USB-C connection for stable, low-latency use and two wireless modes: Bluetooth 5.2 for general wireless convenience and 2.4 GHz for potentially lower latency and less interference. Switching between modes is straightforward, making it adaptable for both stationary and mobile setups.

Compatibility and Layout

The B1 Pro uses a standard ANSI 75% layout with 77 keys and a US QWERTY logical layout. It supports both Windows and macOS operating systems with a dedicated toggle switch. Programmability is available through Keychron Launcher and ZMK, but it does not support QMK or VIA firmware, which limits advanced customization options.

Trade-offs

  • No backlighting or LED indicators, which may be a drawback for users who prefer illuminated keys.
  • ABS keycaps and top/bottom case material may be less durable or premium-feeling compared to PBT or metal alternatives.
  • Non-hotswappable switches mean switch replacement or modification requires soldering or professional service.
  • Low-profile scissor switches offer a different typing feel that may not satisfy users seeking traditional mechanical switch feedback.

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