Keychron K3 QMK Wireless Mechanical Keyboard - RGB Backlight (Red Switch/Hot Swappable)

Ultra-Slim Precision Mechanical Keyboard with 75% Layout and QMK Customization

The Keychron K3 Version 3 is an ultra-slim, low-profile wireless mechanical keyboard designed for both productivity and comfort. Featuring a 75% compact layout, it supports Bluetooth 5.2 for seamless connection to up to three devices, as well as wired USB-C connectivity. Powered by open-source QMK firmware, it allows extensive customization of keys, macros, and shortcuts through the Keychron Launcher web app, compatible with macOS, Windows, and Linux. With included keycaps for both Mac and Windows layouts, users can effortlessly switch between operating systems while maintaining full multimedia and function key functionality.

Engineered with innovative Keychron Milk POM Low-Profile Mechanical Switches, the Keychron K3 features a smooth, precise typing experience with a deep, satisfying thickness. 33% slimmer than conventional profiles, make this one of the thinnest wireless mechanical keyboards on the market while still providing satisfying tactile feedback. Ideal for multitaskers, Mac enthusiasts, and productivity-focused users, which combines style, versatility, and cutting-edge engineering into a single sleek keyboard solution.

Compact innovation meets premium craftsmanship

• Ultra-Slim: Low-profile mechanical switch is 33% slimmer, making the K3 Version 3 one of the thinnest wireless mechanical keyboards in the world.
• Wireless Mechanical Keyboard: A low-profile QMK/VIA wireless mechanical keyboard.
• Ergonomic Support: Three levels of adjustable typing angle aim to provide long-lasting ergonomic wrist support.
• Dynamic Backlit Control: Presets with 22+ RGB backlight settings.
• Keychron Launcher Support: Open-source QMK firmware unlocks endless remapping & macro possibilities, all easily customized through the Keychron Launcher web app.

Hybrid powerhouse for pro work and fast-paced play

• Redesigned Stabilizers: Stabilizers were redesigned to make them stay on the same level as the switch; delivers reliability & less wobble on the big keys
• LSA Shine-Through Keycaps: LSA and ABS keycaps for a comfortable fingertip feel and vibrant backlight shine-through.
• Keychron Milk POM Switch: Delivers precise, smooth & reliable fingertip feel in linear, clicky, or tactile options.
• Interior Acoustic Foam: Elevate typing with IXPE acoustic foam for silent keystrokes & latex foam for superior key support, responsiveness, and durability.
• Epic Core Inside: Powered by a 256KB ARM MCU, K3 Version 3 offers a 1000 Hz polling rate.
• Suitable for All Devices: K3 Version 3 offers a Mac layout with full Apple key functionality, Windows compatibility, configurable keymaps via Keychron Launcher, and keycaps for seamless OS switching.

Keychron Milk POM Switch

The Keychron Milk POM Switch is engineered with cutting-edge POM and POK materials, which deliver a deeper, resonant thick sound in low-profile designs. Pre-lubed for a precise and smooth feel, they offer a dependable fingertip experience, whether you prefer the linear (red) or tactile (brown, banana) switch options.

Hot-swappable option

We all have our unique typing preferences, that’s why we are offering a hot-swappable option on the K3 Version 3, so you can easily hot-swap every Keychron low-profile 2.0 mechanical switch in a few seconds to customize the typing experience without soldering.

Specs

• Brand: Keychron
• Product Series: K3 QMK
• Backlight: RGB
• Switch: Red
• Hot swappable: Yes
• Color: black/grey
• Material: ABS + aluminum frame
• Keycap material: Shine-through ABS
• Layout: ANSI
• Dimensions: 306 x 116 mm (12.04 x 4.56")
• Weight: approx. 540 g / 1.19 lbs
• Number of keys: 84 keys (75% layout)
• Switches: Keychron Milk POM Switch
• Switch face: north-facing
• Multimedia keys: 12 
• Connectivity: 
  • 5.2 Bluetooth version
  • USB-C
• Bluetooth Device Name: Keychron K3 Version 3
• Polling Rate
  • Wired mode: 1000Hz
  • Wireless mode: 90Hz
• N-Key Rollover (NKRO): Yes for both wireless and wired modes
• Backlight: 22+ RGB backlight settings
• Battery: 1550 mAh rechargeable Li-Polymer battery
• Wireless working time: 
  • approx 124 hours (backlight off, lab test results)
  • approx 82 hours (RGB/Lowest brightness)
• Typing angles: adjustable to 2.5°, 4.2°, 6.5°
• MCU: Low-power ARM Cortex-M3 32-bit WB32F3G71 (256KB Flash)
• Manufacturer’s 1-year warranty

Compatibility

• Compatible with macOS, Windows, and Linux operating systems
• Includes keycaps and layout-switch support for both macOS and Windows, enabling seamless switching between systems
• Compatible with Gateron/Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches
• Laptop, PC, smartphone, tablet

Includes

• 1x Keychron K3 QMK Wireless Mechanical Keyboard - RGB Backlight (Red Switch/Hot Swappable)
• 1x Type-A to Type-C Cable
• 1x Keycap Puller

• Ships to Contiguous US
• Free Shipping
• Expected Delivery: Jan 21 - Jan 26