Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard - View 3

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard - View 4

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard - View 5

Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard - View 6

$80.49 ~~$114.99~~ In stock

Ultra-Slim. Full-Size. Wireless 8K.
The Keychron K5 Ultra 8K combines a full-size low-profile layout, ultra-low-latency 2.4 GHz wireless performance, and up to 370 hours of battery life. Customize every key, macro, and the knob with Keychron Launcher, powered by open-source ZMK firmware.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Abigail O. ★★★★★ Oct 22, 2026

The 2.4 GHz wireless mode feels absolutely instant—I can't tell any difference from a wired board in fast games. And for being this slim, the low-profile keys are surprisingly comfortable for long typing sessions.

Olivia Q. ★★★★★ Oct 21, 2026

The 370-hour battery life is the real deal—I've been using it daily for three weeks and haven't charged it once. The low-profile keys are perfect for my desk setup, and the 2.4 GHz connection feels instant during gaming sessions.

Madison ★★★★★ Oct 20, 2026

I wasn't sure a full-size board could feel this light, but the low-profile layout makes it disappear under my wrists. The battery life is the real winner—I've been using it daily for two weeks and haven't even thought about charging.