About this item

Keychron K4 Pro - QMK/VIA Wireless Mechanical Keyboard white LED backlight allows anyone to master any keyboard keys or macro commands through VIA, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze.
Program with QMK & VIA - Simply connect the K4 Pro to your device with a cable, drag and drop your favorite keys or macro commands to remap any key you want on any system (macOS, Windows, or Linux). An ultra-low-power ARM Cortex-M4 32-bit STM32L432 MCU which is powerful, and equipped with 128K Flash will provide more flexibility for developers.
Wireless and Wired - You can connect the K4 Pro with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.1 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows. You can also enjoy a USB Type-C wired connection with 1000 Hz polling rate.
Hot-swappable - The hot-swappable sockets are mounted on the PCB, so you can hot-swap every switch on the K4 Pro with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customize your own typing experience in seconds. Also integrated the PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys such as space bar, shift, enter, and backspace. The Keychron K4 Pro also supports third-party screw-in PCB stabilizers.
South-facing Lights - The K4 Pro comes with our unique OSA profile (OEM profile with spherical-angle) that aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use. Comes with 14 types of white backlight settings, you can further fine-tune the brightness, effect speed with ease.