---
product_id: 623788290
title: "Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2"
brand: "keychron"
price: "A$478"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/623788290-keychron-k3-75-layout-84-key-ultra-slim-hot-swappable
store_origin: AU
region: Australia
---

# Bluetooth 5.1 multi-device Hot-swappable optical switches 75% ultra-slim layout Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2

**Brand:** keychron
**Price:** A$478
**Availability:** ✅ In Stock

## Summary

> ⌨️ Elevate your desk game with ultra-slim, customizable precision!

## Quick Answers

- **What is this?** Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 by keychron
- **How much does it cost?** A$478 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/623788290-keychron-k3-75-layout-84-key-ultra-slim-hot-swappable)

## Best For

- keychron enthusiasts

## Why This Product

- Trusted keychron brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Sleek 75% layout with 84 keys fits perfectly on any desk without sacrificing functionality.
- • **Mac & Windows Ready:** Exclusive Mac layout with extra keycaps included, plus full Windows compatibility—work your way.
- • **Built to Last & Travel Light:** Reinforced aluminum body and ultra-slim design make it both durable and portable for on-the-go pros.
- • **Customizable Typing Experience:** Hot-swappable low-profile optical brown switches let you personalize tactile feedback without soldering.
- • **Seamless Multi-Device Workflow:** Connect up to 3 devices via Bluetooth 5.1 and switch instantly—boost your multitasking game.

## Overview

The Keychron K3 Version 2 is a premium 75% ultra-slim mechanical keyboard featuring 84 low-profile optical brown switches with a 70 million keystroke lifespan. It supports hot-swapping for effortless switch customization, connects wirelessly to up to 3 devices via Bluetooth 5.1, and offers wired USB Type-C mode. Designed with a reinforced aluminum body and exclusive Mac layout (plus Windows compatibility), it delivers a tactile, responsive typing experience tailored for productivity-focused professionals.

## Description

K3 Optical White Backlight Brown Switch

## Features

- Keychron K3 version 2, a compact 75% layout 84 keys white LED backlight hot-swappable ultra-slim wireless mechanical keyboard (Exclusive color scheme) built for peak productivity, a great tactile typing experience, and let you personalize per-key typing experience without soldering.
- Be ready to multitask without missing a beat by connecting the K3 with up to 3 devices via the stable Bluetooth 5.1 chipset and switch between your laptop, PC, tablet and phone seamlessly. It also has wired mode with USB Type-C connection.
- With a unique Mac layout, the K3 has all the necessary Mac multimedia keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included.
- The redesigned low-profile Keychron optical switch is 40% slimmer than conventional switches with a shorter pre-travel and total travel distance that triggers an input and feedback faster than conventional/normal-profile mechanical switches. With the reinforced aluminum body (plastic bottom frame) make the K3 one of the thinnest and lightweight mechanical keyboards on the market.
- You can easily hot-swap every low-profile optical switch without soldering to customize your typing experience on the K3 (*This keyboard is NOT compatible with any conventional MX style mechanical switch). The pre-installed low-profile optical brown switch provides unrivaled tactile responsiveness with up to 70 million keystroke lifespan, and it supports NKRO on the wired mode or 6KRO on the wireless mode.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Keychron |
| Manufacturer | Keychron |
| Model | K3-D3 |
| Model Name | Keychron K3 |
| Product Dimensions | 30.6 x 11.6 x 2.2 cm; 771 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | K3-D3 |
| Operating System | Mac,Windows |
| Hardware Platform | Laptop, Tablet |
| Hardware Interface | Bluetooth |
| Compatible Devices | macOS/Windows |
| Special Features | Reinforced body structure, Two level adjustable rubber feet, Wireless & Wired |
| Mounting Hardware | Keycap Puller, USB Cable |
| Power Source | Corded Electric |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Keyboard Description | Hot-swappable Wireless Bluetooth Mechanical Keyboard, 75% layout, low-profile optical brown switch |
| Connector Type | Bluetooth and Type-C cable |
| Material | Aluminium |
| Hand Orientation | Ambidextrous |
| Manufacturer | Keychron |
| Country of Origin | USA |
| Item Weight | 771 g |

## Product Details

- **Brand:** Keychron
- **Compatible Devices:** macOS/Windows
- **Connectivity Technology:** Bluetooth and Type-C cable
- **Keyboard Description:** Hot-swappable Wireless Bluetooth Mechanical Keyboard, 75% layout, low-profile optical brown switch
- **Recommended Uses For Product:** Gaming, Office

## Images

![Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 - Image 1](https://m.media-amazon.com/images/I/61WsBGAY+xL.jpg)
![Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 - Image 2](https://m.media-amazon.com/images/I/71fDi8Pw+pL.jpg)
![Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 - Image 3](https://m.media-amazon.com/images/I/61UdphCxx+L.jpg)
![Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 - Image 4](https://m.media-amazon.com/images/I/81ZlAid2OCL.jpg)
![Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Brown Switch/White LED Backlight/USB Wired for Mac Windows-Version 2 - Image 5](https://m.media-amazon.com/images/I/31C8wtKWvUL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-23*