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Keychron K3 Ultra-slim Wireless Mechanical Keyboard (UK ISO Layout) - Version 2

(34)
SKU: K3-D1-UK
$64.99 $84.99
Version
Switch Type
Switch Option

Keychron K3 UK ISO Layout Ultra-slim Wireless Bluetooth Mechanical Keyboard version 2 has included keycaps for both Windows and macOS, and users can hot-swap every switch in seconds with the hot-swappable version. 

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$64.99 $84.99

All New K Series Keyboard is Launching!

K Ultra Series

  • 8K Polling Rate
  • ZMK Open-source
  • 2.4 GHz Wireless
  • Keychron Low-Profile Milk POM Switch
  • Durable Double-shot PBT Keycaps
Order K Ultra Series

K HE Series

  • Magnetic Switch
  • 2.4 GHz Wireless
  • QMK Launcher
  • Wooden Frame
  • Durable Double-shot PBT Keycaps
Order K HE Series

K Max Series

  • 2.4 GHz Wireless
  • QMK Launcher
  • Slim Mechanical
  • Hot-swappable
  • Durable Double-shot PBT Keycaps
Order K Max Series

Keychron Classic K Series Keyboard

Keychron K3 Ultra-slim Wireless Mechanical Keyboard (UK ISO Layout) - Version 2

    An Ultra-Slim 75% Wireless Mechanical Keyboard

    Built for a cleaner, more compact setup, the Keychron K3 (UK ISO Layout)combines an ultra-slim profile with the functionality of a 75% layout. With Bluetooth 5.1 and wired connectivity, hot-swappable Keychron low-profile optical switches, and seamless compatibility with macOS and Windows, it delivers a flexible, comfortable typing experience for everyday use.

Core Highlights

    Ultra-Slim 75% Layout

    The low-profile switch is 40% slimmer than conventional switches. Paired with a streamlined aluminum body, the K3 stays remarkably slim and lightweight for a cleaner, more comfortable setup.Crafted for productivity, the K3’s 75% layout delivers the essential multimedia and function keys of a tenkeyless keyboard in a more compact footprint.

    Seamless Wireless & Wired Connectivity

    Powered by Bluetooth 5.1, the K3 connects to up to 3 devices and switches seamlessly among your smartphone, laptop, and tablet. A Type-C wired mode is also included for a stable connection with a 1000 Hz polling rate.

    High-Performance & Hot-Swappable Switch Options

    Choose durable, low-profile Gateron mechanical switches rated for 50 million keystrokes or low-profile Keychron optical switches with 0.2 ms ultra-low latency and a 70-million-keystroke lifespan. The optical hot-swappable version lets you change every switch in seconds without soldering.

    Mac & Windows Compatibility

    Compatible with both macOS and Windows, the K3 features a dedicated Mac multimedia key layout and includes keycaps for both operating systems, so you can switch between platforms without losing essential shortcuts.

Specs

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Product Information

Size
306 x 116 mm
Front Height
17 mm (with keycaps)
Back Height
22 mm (with keycaps)
Bottom Case Material
ABS Plastic
Angle
6° / 9 °
Weight
About 483g / 1.06lbs
Keycap
ABS
Switch
Low Profile Gateron Mechanical Switch / Keychron Optical Switch
Backlight
Adjustable 4-level RGB backlight
Battery
1550 mAh Rechargeable li-polymer battery
Compatible System
macOS / Windows
Operating Environment
-10 to 50℃

Performance

Connectivity
Bluetooth / Type-C wired
Polling Rate
1000 Hz (Wired)90 Hz (Bluetooth)
Bluetooth Device Name
Keychron K3
Wireless Working Time
Up to 34 hours (Lowest Backlight)
Hot-Swappable
YES (Keychron Optical Switch)
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Performance

Connectivity
Bluetooth / Type-C wired
Polling Rate
["1000 Hz (Wired)","90 Hz (Bluetooth)"]
Bluetooth Device Name
Keychron K3
Wireless Working Time
["Up to 34 hours (Lowest Backlight)"]
Hot-Swappable
YES (Keychron Optical Switch)
Keychron K Series Keyboard User Guide

Learn more about the Keychron K Series Keyoards such as the shortcuts, Launcher web app tutorial, factory reset, and more.

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Product Information

Size
["435 x 120.00 mm"]
Front Height
["17 mm (without keycaps)"]
Back Height
["22 mm (without keycaps)"]
Bottom Case Material
Aluminum
Weight
["770g ± 10g "]
Keycap
["LSA ABS keycaps, not shine-through"]
Switch
Low Profile Gateron Mechanical / Keychron Optical Switch
Backlight
Adjustable 4-level RGB backlit
Battery
2000mAh Rechargeable li-polymer battery
Compatible System
macOS/Windows/Linux
Operating Environment
-10 to 50℃

Performance

Connectivity
Bluetooth / Type-C wired
Polling Rate
["1000 Hz (Wired )","90 Hz (Bluetooth)"]
Bluetooth Device Name
Keychron K5
Wireless Working Time
["Up to 90 hours (Backlit off on white backlit version)","Up to 90 hours (Backlit off on RGB backlit version)","Up to 30 hours (White Backlit on)"]
Hot-Swappable
YES
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