Teclado mecânico Keychron K3X-B4 — 75% Low-Profile, com fios e Bluetooth 5.2, USB-C, iluminação RGB, cinzento, bateria até 124 h

Keychron K3 Version 3
The Keychron K3 Version 3 is a low-profile wireless mechanical keyboard with a 75% layout, now upgraded with QMK firmware and enhanced acoustic foams. It supports both Bluetooth 5.2 and wired connections. The Launcher web app offers limitless customization and boosts productivity for your work!

Enhanced Acoustic Foam
Elevate your typing with K3 Version 3 featuring advanced IXPE acoustic foam for enhanced comfort, coupled with EPDM foam and latex foam for superior key switch support, responsiveness, and durability, it redefines quiet, comfortable and responsive typing.

Program with QMK & Launcher.
The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.

Anytime, Anywhere Access
Keychron Launcher is a web page configurator that you can use in the office, school, lab, or government department—anywhere with internet access. Configure your keyboard online anytime without the need to download or install files. No hassle, no trouble.

Compatible with All Platforms
As a web-based tool, Keychron Launcher supports all operating systems. Personalize and program your keyboard on Windows, macOS, Linux, and more. Enjoy unprecedented flexibility with compatibility across Chrome, Edge, and Opera browser.

Safe Inputs
You type your password, contact, home address, and other sensitive privacy information on keyboards every day. Our keyboards use QMK open-source firmware, allowing the community to review the codes for safety and ensuring no hidden features, so you have complete control over your input security.

Always Up to Date
Keychron Launcher is continuously updated, ensuring you always have access to the latest version. There's no need to download updates or wait for installations.

Wireless Connection
An excellent solution for multitasking. Connects the K3 Version 3 with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.2 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows.

Ultra-Slim
The innovative Keychron Milk POM Low-Profile Mechanical Switch is 33% slimmer than conventional normal profile switches makes the Keychron K3 Version 3 one of the thinnest wireless mechanical keyboards in the world. While still delivering a distinguished tactile response.

Suitable For All Devices
Offers a Mac layout while still being compatible with Windows, the K3 Version 3 is one of the few on the market that has the same multimedia and function key functions as Apple keyboards for Mac users, but with more tactile feedback.

You can even configure different keymaps for both Mac and Windows devices. While Keychron Launcher web app is compatible with macOS, Windows, and Linux. Includes keycaps for both macOS and Windows (and additional esc and enter keys) to allow you to switch between operating systems with ease.

An Epic Core Inside
A low-power ARM architecture MCU equipped with 256K Flash will provide more flexibility for developers. The polling rate is 1000 Hz on wired mode (90Hz on wireless mode) right out of the box, which makes the latency hardly noticeable even in competitive games.

LSA Shine-through keycaps
To further leverage your typing experience, the K3 version 3 comes with our unique LSA profile (Low profile with spherical angle) keycaps and ABS keycaps that aim to provide a more comfortable fingertip feel and a fantastic backlight shine-through effect..

Hot-swappable OPTION
We also provide a hot-swappable version for your choice, which means you can customize your typing experience without soldering, pop them in and it's done.

We all have our unique typing preferences, that’s why we are offering 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.

Keychron Milk POM Switch
The Keychron Milk POM Switch is engineered with cutting-edge POM and POK materials, which deliver a deeper, resonant thock 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.

Ergonomic Support
Three levels of adjustable typing angle (2.5°, 4.2° and 6.5°) aim to provide long-lasting ergonomic support for your wrist.

Redesigned Stabilizers
We’ve redesigned the stabilizers to make it stay on the level the same way as the switch while making sure it still delivers reliability and less wobble on the big keys like the space bar, left Shift, backspace, and Enter key.

RGB Backlights
Shine-through keycaps create a brilliant backlight effect, available in both RGB and white backlight versions. The RGB version offers 22+ dynamic backlight settings, while the white backlight version features 14 unique modes. You can easily fine-tune the RGB hue, saturation, brightness, and effect speed for full customization with the Keychron Launcher web app.

Looking for ISO Layout?
The K3 Version 3 ISO collection comes with fully assembled keyboards with ??UK, ??German, ????????Nordic, ??Swiss layout.

Summary: Keychron K3X-B4. Keyboard form factor: 75%, Connectivity technology: Wired & Wireless, Device interface: USB + Bluetooth, Keyboard key switch: Mechanical, Keyboard layout: QWERTY, Keyboard number of keys: 84. Backlight type: RGB LED. Recommended usage: Universal. Product colour: Grey | Vendor Homepage: https://www.keychron.com/products/keychron-k3-qmk-wireless-mechanical-keyboard-version-3?variant=42201580044377 | Bluetooth version: 5.2 | Built-in memory: Yes | Built-in memory capacity: 256 | Connectivity technology: Wired & Wireless | Device interface: USB + Bluetooth | Keyboard form factor: 75% | Keyboard key profile: Low-profile | Keyboard key switch: Mechanical | Keyboard key switch technology: Keychron Milk POM Banana | Keyboard language: English | Keyboard layout: QWERTY | Keyboard number of keys: 84 | Keycaps material: Acrylonitrile butadiene styrene (ABS) | Multimedia keys: Yes | Numeric keypad: No | Physical layout: ANSI | Pointing device: No | Polling rate: 1000/90 | Recommended usage: Universal | Rollover: N-key rollover | Adjustable backlight: Yes | Backlight: Yes | Backlight colour: Multicolour | Backlight type: RGB LED | Material: Acrylonitrile butadiene styrene (ABS),Aluminium | Product colour: Grey | Surface coloration: Monochromatic | Detachable cable: Yes | USB connector type: USB Type-C | Battery capacity: 1550 | Battery life (max): 124 | Battery technology: Lithium Polymer (LiPo) | Keyboard battery type: Built-in battery | Power source type: Battery | Rechargeable: Yes | USB Type-C charging port: Yes | Mouse included: No | Linux operating systems supported: Yes | Mac operating systems supported: Yes | Windows operating systems supported: Yes | Operating temperature (T-T): -10 - 50 | Keyboard dimensions (WxDxH): 116 x 306 x 23 | Keyboard weight: 540 | AC adapter included: No | Number of products included: 1 | Units per Pallet: 0 | Units per Shipping Box: 1 | Unit Calculated Volume: 0.00208 | Unit Calculated Weight: 0.876

How to use

Connect the keyboard to a computer using the included USB Type-C cable for wired operation and charging. To use wirelessly, enable Bluetooth on the keyboard and pair it with your device using standard Bluetooth pairing procedures; the Bluetooth 5.2 support allows connection to modern laptops, tablets and phones. Adjust backlight settings through the keyboard shortcuts provided in the user manual and monitor battery level to plan recharging sessions. The low-profile keys function like standard mechanical switches but with reduced key travel; allow a short adjustment period if switching from a full-height mechanical keyboard.

Recommendations

For longest battery life, reduce backlight brightness or disable RGB lighting when not needed and use wired connection for extended sessions or when charging. Keep firmware updated when updates are available to ensure stable Bluetooth performance and compatibility.