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Keychron B5 Pro Ultra-Slim Wireless Keyboard

Keychron B5 Pro

The Keychron B5 Pro UltraSlim US is a compact wireless mechanical keyboard designed for users who want a slim profile with versatile connectivity. It suits professionals or hobbyists who need a portable board that can switch between wired and wireless modes. Its low height and multi-mode support make it practical for both desk setups and mobile use.</p... Read more
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Keychron B5 Pro Ultra-Slim Kabellose Tastatur (US ANSI Layout)

Keychron (DE)
Keychron (DE)
No shipping to US
$60
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Compare Keychron B5 Pro vs Redragon SURARA K582 vs FUDE EK8870 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron B5 ProRedragon SURARA K582FUDE EK8870
Keychron B5 Pro Ultra-Slim Wireless Keyboard
66
SURARA K582 (Quiet-Red Switches)
73
[In Stock] EK8870 100% Full Size Wireless Computer Keyboard & Mouse Combo
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0.0 (0)
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  • Has Linear, Tactile, Clicky switch options
  • Connects via USB-C
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 1200 mAh battery
  • Weighs about 623 g
  • Sized at 10 x 438 x 121 mm
  • Released in 2018
  • Has Linear switch options
  • Supports hot-swappable switches
  • Features N-key rollover
  • Uses a Bottom Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 1150 g
  • Sized at 43 x 439 x 18 mm
  • Made with a Plastic case
  • Offers Yes, Rgb RGB lighting
  • Has Magnetic switch options
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Has built-in sound dampening
  • Supports 2.4 GHz, Wireless connectivity
  • Sized at 39 x 443 x 140 mm
Scores
  • Performance: 50.5
  • Build Quality: 44.1
  • Productivity: 70.9
  • Customizability: 49.4
  • Portability: 51.7
Scores
  • Performance: 79.5
  • Build Quality: 58.1
  • Productivity: 65.7
  • Customizability: 69.5
  • Portability: 44.5
Scores
  • Performance: 56.1
  • Build Quality: 72.9
  • Productivity: 77.1
  • Customizability: 76.4
  • Portability: 49.4
Name
Keychron B5 Pro
Name
Redragon SURARA K582
Name
FUDE EK8870
Release year
2025
Release year
2018
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear
Switch Options
Magnetic
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
100%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ANSI
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
Wired, Wired only
Connection
2.4 GHz, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Polling Rate
-
Battery capacity
1200 mAh
Battery capacity
-
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
Bottom Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Rgb
Backlight
 
Case Colors
Case Colors
Case Colors
Case Material
ABS
Case Material
Plastic
Case Material
ABS
Keycaps Material
ABS
Keycaps Material
ABS
Keycaps Material
ABS
Dimensions
10 x 438 x 121 mm
Dimensions
43 x 439 x 18 mm
Dimensions
39 x 443 x 140 mm
Weight
623g
Weight
1150g
Weight
-
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Product Description

The Keychron B5 Pro UltraSlim US is a compact wireless mechanical keyboard designed for users who want a slim profile with versatile connectivity. It suits professionals or hobbyists who need a portable board that can switch between wired and wireless modes. Its low height and multi-mode support make it practical for both desk setups and mobile use.

Key Features

  • Supports 2.4 GHz wireless, Bluetooth, and wired USB-C connections, allowing flexible use across devices and environments.
  • Ultra-slim design reduces desk clutter and improves portability without sacrificing full key functionality.

Connectivity

The B5 Pro offers three connection options. Use 2.4 GHz wireless for a stable, low-latency link suitable for work or light gaming. Bluetooth mode enables easy pairing with multiple devices but may have variable latency. Wired USB-C connection provides a reliable, no-delay experience and charges the keyboard simultaneously.

Trade-offs

  • The ultra-slim form factor may limit key travel and tactile feedback compared to thicker mechanical keyboards, which could affect typing comfort for some users.
  • Specific details about switch types, key feel, or sound profile are unknown, making it harder to assess typing experience fully.
  • Firmware features and customization options are not specified, which may limit advanced key remapping or macro capabilities.

Frequently Asked Questions (FAQ)

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