Keychron - K3 HE 75% Ultra-Slim Wireless RGB Magnetic Keyboard with Hot-Swappable Lime Switch and QMK and Built-in AI Launcher - Black
Model: K3H-F1
SKU: 13113466
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The K3 HE is a 75% wireless magnetic hall effect keyboard built with aluminum and wood frame, PBT keycaps and Keychron Ultra-Fast Lime low-profile magnetic switches. It supports wired|wireless connectivity, a maximum 1000 Hz polling rate, full-key rollover, customizable lighting, QMK and built-in AI Launcher customization. Its hot-swappable design supports easier switch maintenance and tuning.
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K3 HE combines a 84-key 75% layout with aluminum and wood frame and PBT keycaps for a durable, focused typing setup. The space-efficient arrangement keeps essential navigation and shortcut functions close at hand while leaving more room for a mouse. Its 2°, 4.5° and 7.5° supports a comfortable desk position.
Switch among low-latency 2.4 GHz wireless, Bluetooth 5.2 and detachable USB-C wired modes to match different devices and workspaces. Wired and 2.4 GHz modes reach 1000 Hz, while Bluetooth runs at 125 Hz and supports convenient multi-device use. Full-key rollover helps register simultaneous inputs accurately for gaming, creative shortcuts and productivity.
QMK and built-in AI Launcher customization let you remap keys, create macros, assign shortcuts and refine the layout from a compatible web browser. The open-source firmware provides flexible control for work, gaming and creative applications, while the built-in AI Launcher keeps common configuration tools accessible without installing a desktop app. Save a personalized setup for macOS, Windows.
Keychron Ultra-Fast Lime low-profile magnetic switches provide a linear feel matched to this configuration. The hot-swappable design lets compatible switches be removed and installed without soldering, making maintenance and future tuning more approachable. 0.2–2.9 mm adjustable actuation and 0.1 mm sensitivity enables precise response tuning, alongside rapid-trigger and advanced magnetic key.
The rechargeable 2600 mAh power source provides up to 55 hours under Keychron laboratory conditions, helping reduce interruptions between charges. You can continue using the keyboard through its detachable USB-C connection while charging. Actual working time varies with backlight brightness, wireless conditions, polling-rate settings and usage patterns, so higher-performance or brighter.
