⌨️ Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard
Slim, stylish, and powerful—the Keychron K3 Max is an ultra-slim 75% wireless mechanical keyboard built for modern desktops. With QMK/VIA support, tri-mode connectivity, and low-profile switches, it delivers premium typing performance with maximum customization in a compact form. 🚀✨
⭐ Key Features
🧠 QMK & VIA programmable – Fully remap keys & macros via Keychron Launcher (web app)
📐 75% compact layout (84 keys) – Space-saving while keeping essential keys
📡 Tri-mode connectivity – 2.4GHz wireless, Bluetooth 5.1, or USB-C wired
⚡ High polling rate – Up to 1000Hz (2.4GHz & wired)
🎮 NKRO support – Accurate key input in both wired & wireless modes
🌈 RGB backlighting – 22 lighting effects with endless customization
✨ Ultra-slim low-profile design – Clean look and comfortable typing
🔧 Specifications
Number of Keys: 84 (75%)
Switch Options: Gateron low-profile mechanical / Keychron low-profile mechanical
Switch Orientation: North-facing
Multimedia Keys: 12
Layout: ANSI
Keycap Material: Low-profile double-shot PBT
Frame Material: ABS + Aluminum
Polling Rate:
2.4GHz & Wired: 1000Hz
Bluetooth: 90Hz
N-Key Rollover: Yes (wired & wireless)
🔌 Connectivity & Power
Connection Modes: 2.4GHz / Bluetooth / USB-C (wired)
Bluetooth Version: 5.1
Battery Capacity: 1550 mAh rechargeable Li-polymer
Battery Life:
~73 hours (backlight off)
~42 hours (RGB on, lowest brightness)
Compatible Systems: macOS / Windows / Linux
Bluetooth Device Name: Keychron K3 Max
🖥️ Build & System Info
MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
Typing Angles: 2.5°, 4.2°, 6.5°
Operating Temperature: -10℃ to 50℃
⚠️ 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.



