⌨️ Product Overview
Upgrade your setup with the Keychron K3 Max, an ultra-slim 75% wireless custom mechanical keyboard designed for productivity and performance 💻✨. With QMK/VIA support, triple connectivity, and low-profile mechanical switches, it’s perfect for clean desktop setups on Windows, macOS, and Linux.
🌟 Key Features
🔹 75% Compact Layout (84 Keys) – Space-saving with full functionality
🔹 Ultra-Slim Design – Sleek, modern, and comfortable typing experience
🔹 Triple Connection Modes – 2.4GHz wireless, Bluetooth 5.1 & USB-C wired
🔹 QMK/VIA & Keychron Launcher Support – Fully customizable keys & macros
🔹 Low-Profile Mechanical Switches – Gateron / Keychron low-profile
🔹 RGB Backlighting – 22 lighting effects with endless customization 🌈
🔹 Wide OS Compatibility – macOS / Windows / Linux
⚙️ Specifications
Number of Keys: 84 (75%)
Switch Type: Gateron Low-Profile Mechanical / Keychron Low-Profile Mechanical
Switch Orientation: North-facing
Keycap Material: Low-profile double-shot PBT
Frame Material: ABS + Aluminum
Layout: ANSI
Multimedia Keys: 12
N-Key Rollover: Yes (wired & wireless)
Polling Rate:
1000Hz (2.4GHz & Wired)
90Hz (Bluetooth)
⚠️ Compatible only with Gateron/Keychron low-profile mechanical switches. QMK does NOT support low-profile optical switches.
🔌 Connectivity & Battery
🔋 Battery Capacity: 1550mAh rechargeable Li-polymer
⏱️ Wireless Usage Time:
Up to 73 hours (backlight off)
Up to 42 hours (RGB on, lowest brightness)
📡 Connection: 2.4GHz / Bluetooth / USB Type-C
🔗 Bluetooth Version: 5.1
🖥️ Supported OS: macOS / Windows / Linux
📐 Approx. Product Dimensions & Weight
Width: 12 cm
Length: 31 cm
Height: 2 cm
Weight: approx. 0.53 kg
⚠️ 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.
