Keychron - K2 Ultra 8k Wireless Mechanical Keyboard

KEYCHRON K2 ULTRA 8K

The K2 Ultra 8K is a wireless mechanical keyboard with a sleek 75% layout. It delivers an ultra-responsive experience with an 8000 Hz polling rate in both wired and wireless modes. Supporting Bluetooth, wired, and ultra-low-latency 2.4 GHz connectivity, it adapts seamlessly to any setup. Powered by the open-source ZMK firmware, it unlocks endless customization possibilities while delivering up to 760 hours (8K, backlit off) of battery life for enhanced performance in both work and gaming.

Tri-Mode Connectivity

Unlock the power of an 8000 Hz polling rate in both wired and 2.4 GHz wireless modes, delivering ultra-responsive, pro-grade precision for competitive gaming. With Bluetooth 5.2, you can seamlessly switch between up to three devices for effortless multitasking. From lightning-fast performance to versatile wireless connectivity, the K2 Ultra 8K does it all.

Up to 760-Hour Wireless Endurance

Powered by a 4000 mAh battery, along with optimized firmware and an enhanced circuit design, the K2 Ultra 8K delivers up to 760 hours of usage at an 8000 Hz polling rate ( backlit off ). Redefining what wireless performance can achieve.

An Epic Core Inside

Inside the K2 Ultra 8K lies a powerful MCU with 1 MB flash, delivering unmatched flexibility for deep customization and advanced functionality. It achieves an ultra-responsive 8K polling rate, ensuring every keystroke is registered with near-zero latency and exceptional accuracy for the most demanding gaming and professional tasks.

75% Compact Layout

The 75% compact layout features a space-saving design without compromising essential functionality. It’s a perfect fit for limited desk space and an ideal external keyboard for your laptop, streamlining your setup without the clutter. Whether you're typing long documents at work, coding at your desk, or gaming during your downtime, it delivers a comfortable balance of productivity, portability, and everyday usability.

CNC-Machined Aluminum Frame

The frame is crafted from 6063 aluminum, a material known for its enhanced durability, stability, and premium feel. It is highly resistant to physical damage and wear, while remaining environmentally friendly and fully recyclable. These qualities deliver a balance of refined aesthetics and long-term sustainability.

Keychron Apex Switch

The K2 Ultra 8K comes with pre-lubed Keychron Apex Switches, crafted for gamers and typists who demand precision, durability, and a refined typing experience. The switch stem features a reinforced wall structure that enhances stability for smoother, wobble-free keystrokes and helps prevent dust and moisture from entering the switch housing for long-lasting performance.

Hot-swappable

Since everyone has unique typing preferences, the K2 Ultra 8K features a hot-swappable switch design, allowing you to easily swap any switches in seconds and customize your experience—no soldering required.

Double-Shot PBT Keycaps

Designed for a premium typing experience, the K2 Ultra 8K features double-shot PBT keycaps made from durable, non-shine-through PBT material. With excellent oil resistance, they are built to maintain a clean, refined look over the long term.

Suitable For All Devices

Seamlessly compatible with both macOS and Windows, the K2 Ultra 8K allows you to switch effortlessly between them with the included Mac and Windows keycaps, ensuring a consistent typing experience across devices.

Customize Every Part

To build a fully customizable keyboard, we designed every component to be easy to assemble, so you can customize and adjust each component to your preference.

Program with ZMK & Launcher

The open-source ZMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.

Unlock Dynamic Backlit Control

Go beyond standard presets with 22+ RGB backlight settings — including a static white option. Our advanced lighting engine includes two powerful features to fuel your creativity: Per-key RGB and Mix RGB. You can further fine-tune and remap keys with ease, crafting your unique style with vivid, dynamic RGB control.

Per-key RGB

With Per-key RGB, every single key is a digital brushstroke. This feature lets you individually customize the color of each key, transforming your keyboard into a vibrant canvas.

Mix RGB

With Mix RGB, you can split your keyboard into two custom lighting zones, each with unique effects. Design high-contrast combinations to make your entire setup pop with vibrant style.