Wireless and Wired
An excellent solution for multitasking. 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
Program with QMK & VIA.
QMK/VIA means endless possibilities for a fluid workflow.
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).
Upgraded Typing Experience
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.
SPECIFICATION:
| Specification | Description |
|---|---|
| Number of Keys | 100 (96%) |
| Switches | Keychron K Pro Mechanical |
| Switch Face | South-facing |
| Stabilizers | PCB-mounted screw-in stabilizers |
| Number of Multimedia Keys | 12 |
| Frame Material | ABS |
| Plate Material | Steel |
| Keycap Material | Double-shot PBT (Not including Barebone Version) |
| Keycap Profile | OSA (OEM profile with spherical-angle) |
| Layout | ANSI |
| Polling Rate (Wired Mode) | 1000Hz |
| Polling Rate (Wireless Mode) | 90Hz |
| N-Key Rollover (NKRO) | Yes for both wireless and wired modes |
| Backlit | 22 types of RGB backlight options plus endless possibilities |
| Battery | 4000 mAh rechargeable li-polymer battery |
| BT Working Time (Backlit off) | Up to 300 hours (Lab test result may vary by actual use) |
| BT Working Time (RGB) | Up to 100 hours (Lowest brightness) |
| Connection | Bluetooth and Type-C cable |
| Bluetooth version | 5.1 |
| Bluetooth Device Name | Keychron K4 Pro |
| Compatible System | macOS/Windows/Linux |
| Dimension | 390.6 x 139.2 mm (15.38 x 5.48") |
| Weight | About 1280 g / 2.82 lbs |
| Height without keycap (front) | 24 mm (0.94") |
| Height without keycap (rear) | 31 mm (1.22") |
| Height incl. keycap (front) | 33 mm (1.30") |
| Height incl. keycap (rear) | 40 mm (1.57") |
| Typing Angle | 3º, 7º, and 10º |
| MCU | Ultra-low-power ARM Cortex-M4 32-bit STM32L432 (128KB Flash) |
| Operating Environment | -10 to 50℃ |