Keychron K4 QMK White Backlight Wireless Mechanical Keyboard Version 3 Brown Switch K4X-A3
⌨️ Upgrade your typing experience with the Keychron K4 QMK Wireless Mechanical Keyboard Version 3, featuring a compact 96% layout with 100 keys, customizable backlighting, and versatile connectivity. Designed for flexibility and personalization, it supports the Keychron Launcher web app for customizing keyboard keys and macro commands. With compatibility for macOS, Windows, and Linux, it offers a versatile keyboard solution for different setups.
Key Features & Specifications
🌟 Model: Keychron K4 QMK Version 3 (K4X-A3)
🌟 Keyboard Layout: ANSI, 96% compact layout with 100 keys
🌟 Switch Type: Brown Switch
🌟 Switch Design: Keychron Super Mechanical, north-facing
🌟 Hot-Swappable: Compatible with MX mechanical switches
🌟 Backlighting: 22 types of RGB backlight options
🌟 Keycaps: Double-shot PBT with Cherry profile
🌟 Stabilizers: Plate-mounted stabilizers
🌟 Multimedia Keys: 12 dedicated multimedia keys
🌟 Frame Material: ABS or ABS + aluminum frame
🌟 Plate Material: Aluminum
🌟 Polling Rate: 1000Hz wired / 125Hz Bluetooth
🌟 N-Key Rollover (NKRO): Supported in both wired and wireless modes
Connectivity & Battery
📡 Wireless Connectivity: Bluetooth 5.2
🔗 Wired Connectivity: USB Type-C cable
🔋 Battery Capacity: 4000mAh rechargeable lithium-polymer battery
⏱️ Bluetooth Battery Life (Backlight Off): Around 190 hours
🌈 Bluetooth Battery Life (RGB at Lowest Brightness): Around 100 hours
🔹 Battery life figures are based on laboratory testing and may vary depending on actual usage.
Operating System Compatibility
🖥️ Compatible with macOS, Windows, and Linux.
🛠️ Customization: Use the Keychron Launcher web app to customize keyboard keys and macro commands. Includes keycaps for both Windows and macOS.
Physical Dimensions & Weight
Plastic Frame Version
📏 Dimensions: 368.14 × 121.14 mm (14.49 × 4.77 inches)
⚖️ Keyboard Weight: Approximately 813 g
Aluminum Frame Version
📏 Dimensions: 373.2 × 126.2 mm (14.69 × 4.97 inches)
⚖️ Keyboard Weight: Approximately 970.8 g
Additional Specifications
📏 Front Height Without Keycaps: 22.54 mm
📏 Rear Height Without Keycaps: 30.88 mm
📏 Front Height Including Keycaps: 30.83 mm
📏 Rear Height Including Keycaps: 40.25 mm
📐 Typing Angles: 5°, 8°, and 11°
🌡️ Operating Temperature: -10°C to 50°C
🧠 MCU: Low-power ARM Cortex-M3 32-bit WB32F3G71 with 256KB Flash

⚠️ Reminders:
1️⃣ Please record a full unboxing video as proof in case of issues.
2️⃣ Verify the delivery rider’s ID or take a photo with your payment for security.

