Keychron K4 Pro QMK/VIA Bluetooth Wireless Mechanical Keyboard 96% Layout Custom Programmable Gaming Keyboard with White Backlit Hot-Swappable K Pro Red Switch for Mac Windows Linux - White

- Program with QMK & VIA - With the K4 Pro’s QMK/VIA, simply connect the K4 Pro to your device with a cable, then you can 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.

Product description

Keychron K4 Pro wireless custom mechanical keyboard - White LED Backlight

Program with QMK & VIA

Wireless and Wired

Hot-swappable

Upgraded Typing Experience

SPECIFICATION

The K4 Pro allows anyone to master any keys through the open-sourced VIA software on macOS, Windows and Linux (including keycaps for both Windows and macOS), connecting it with up to 3 devices wirelessly and hot-swap with any MX switch in a breeze.

Remap with QMK & VIA - QMK / VIA is open-source software for keyboards that allows anyone to easily program and remap each key or macro on macOS, Windows, or Linux. *Note: User can remap a key on wired mode only. Once it's done, the keymap will work on both wireless and wired modes.

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.

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. You can also enjoy a USB Type-C wired connection which is engineered for the competitive game.

The polling rate is 1000 Hz on wired mode (wireless mode: 90 Hz).

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.

Pre-lubed Keychron K Pro Red switch: With 2 ±0.4mm pre-travel and 45 ±10gf operating force, features a nice linear feeling.

The K4 Pro has been re-engineered and redesigned from the inside out to upgrade the typing experience. The added sound-absorbing foam, a thick silicone dampening bottom pad, and steel plate provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability.

Screw-In PCB Stabilizers: The PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys. It also supports third-party screw-in PCB stabilizers.

OSA Profile Double-shot PBT Keycaps: Our unique OSA profile (OEM profile with spherical-angle) and non-backlit shine through double-shot PBT keycaps are aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use.

Number of Keys: 100 (96%)

Stabilizers: PCB-mounted screw-in stabilizers

Polling Rate (Wired Mode): 1000Hz

Polling Rate (Wireless Mode): 90Hz

N-Key Rollover (NKRO): Yes for both wireless and wired modes

Backlit: White LED Backlight

Battery: 4000 mAh rechargeable li-polymer battery

Connection: Bluetooth and Type-C cable

Compatible System: macOS/Windows/Linux

Typing Angle: 3º, 7º and 10º

MCU: Ultra-low-power ARM Cortex-M4 32-bit STM32L432 (128KB Flash)

Operating Environment: -10 to 50℃

Dimension: 390.6 x 139.2 mm (15.38 x 5.48")

Weight: About 1280 g / 2.82 lbs