⌨️ Keychron K2 Max QMK Wireless Mechanical Keyboard
A powerful 75% custom mechanical keyboard built for productivity, gaming, and multi-device setups 💻🎮
✨ Key Features
🔗 Triple Connectivity Modes
• 2.4GHz wireless (low latency)
• Bluetooth 5.2 (multi-device)
• USB Type-C wired connection
⚡ High Performance & Customization
• 1000Hz polling rate (2.4GHz & wired)
• QMK & VIA support via Keychron Launcher Web App
• Full N-Key Rollover (NKRO) for accurate keystrokes
🎨 RGB Backlit Keyboard
• 22 RGB lighting modes
• Customizable effects and brightness
🔁 Hot-Swappable (Select Versions)
• Easily swap switches without soldering
• Compatible with Keychron Super Mechanical Switches
🖥 Cross-Platform Compatible
• Supports macOS, Windows, and Linux
• Includes keycaps for both macOS & Windows
🔋 Long Battery Life
• 4000mAh rechargeable Li-polymer battery
• Up to 190 hours (RGB off)
• Up to 100 hours (RGB on, lowest brightness)
🧠 Keyboard Specifications
• Layout: 75% ANSI
• Number of Keys: 84
• Multimedia Keys: 12
• Switch Type: Keychron Super Mechanical
• Switch Orientation: South-facing
• Keycap Material: Double-shot PBT
• Keycap Profile: OSA (OEM-style, spherical)
• Frame Material: ABS / ABS + Aluminum
• MCU: ARM Cortex-M4 STM32F402 (256KB Flash)
• Typing Angles: 5°, 9°, 12°
• Operating Temperature: -10℃ to 50℃
🌐 Connectivity & Power
• Wireless Modes: 2.4GHz & Bluetooth
• Bluetooth Device Name: Keychron K2 Max
• Polling Rate:
– 1000Hz (2.4GHz & wired)
– 90Hz (Bluetooth)
📦 What’s in the Box
• Keychron K2 Max Keyboard ×1
• USB Type-C Cable ×1
• Keycap Set for macOS & Windows
• User Documentation

