Description

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Product description

The K4 Max merges a 96% layout with 2.4GHz wireless, Bluetooth, and Type-C wired connectivity. Configurable via QMK and Keychron Launcher, it’s your ideal partner for work and gaming.

Access the Keychron Launcher web app to remap keys instantly—no installation needed. Stay updated with new features and customize your keyboard without downloads.

The K4 Max supports 2.4 GHz, Bluetooth 5.1, and wired modes, allowing seamless switching between devices and ultra-low latency with a 1000Hz polling rate for gaming and multitasking.

Hot-swappable sockets let you swap most 3-pin and 5-pin MX switches easily, enabling effortless customization of your keyboard without any soldering required.

Fully customizable per-key RGB lighting adapts to your mood and setup, enhancing both aesthetics and productivity. (Please use the Launcher app and update to the latest firmware to enable per-key RGB.)

Experience superior typing with IXPE and EPDM foam, both providing cushioning and switch support. A sturdy steel plate delivers responsive feedback, while added weight enhances stability.

Specs

Dimension 391.29mm x 140.27mm (15.40 x 5.52 inches) Weight 1290g / 2.84 lbs Angle 3° , 7° and 10° Body Material ABS Polling Rate 1000 Hz (2.4 GHz and wired) / 90 Hz (Bluetooth mode) Battery 4000 mAh rechargeable li-polymer battery Compatible System Windows/macOS/Linux N-Key Rollover (NKRO) Yes for both wireless and wired modes Hot-swappable Yes. Compatible with most of the 3 pin & 5 pin MX mechanical switches such as Gateron, Cherry MX, Kailh, etc. Keycaps Double-shot PBT keycaps, not shine-through, OSA Profile (OEM height, SA shape) Switches Keychron Super mechanical Backlight South-facing RGB Stabilizer Screw-in PCB stabs Wireless Working Time Around 100 hours (Lowest brightness) MCU ARM Cortex-M4 32-bit STM32F402 (256KB Flash) Connection 2.4 GHz / Bluetooth / Type-C wired

The K4 Max combines a 96% layout with number pad, tri-mode connectivity: 2.4 GHz wireless, Bluetooth, and Type-C wired. Configurable via QMK and the Keychron Launcher, it’s your versatile companion for work and gaming, delivering precision and productivity.
Tri-Mode Wireless Mechanical Keyboard: Keychron K4 Max gaming keyboard supports 2.4 GHz wireless, Bluetooth 5.1, and wired modes. Seamlessly switch between gadgets and enjoy ultra-low latency with a 1000 Hz polling rate in 2.4G and wired modes, perfect for fast-paced gaming and multitasking.
QMK Firmware with Launcher Web App: Customize endlessly with QMK open-source firmware for key remapping, macros, and shortcuts. Access the Keychron Launcher web app without installation, always staying up-to-date with the latest features—no downloads required.
Hot-Swappable Keychron Super Switches: Factory-lubed Keychron Super switches deliver smooth, durable performance with up to 50 million clicks. The transparent housing enhances backlight consistency, while hot-swappable compatibility with most 3-pin and 5-pin MX switches allows for easy customization without soldering.
PBT Keycaps & Customizable RGB: 22+ customizable RGB bacjlights, you can further fine-tune the backlight through our Keychron Launcher web app. Paired with high-quality, non-shine-through PBT keycaps, it’s free from interference when using Cherry-profile alternatives.