Kailh Butterfly Blue Switch, 5-Pin Linear Pre-Lubed Switch for Gaming with Fast Trigger, Pre-Travel 1.2±0.4mm, POM Construction (Stem, Top & Bottom ),45±5gf Force, MX-Compatible Hot-Swappable (90pcs)

1. Ultra-Fast Bounce Time – Instant Response With a bounce time of ≤5ms (at 16 in/sec actuation speed), the Butterfly Blue Switch delivers near-instant reset and lightning-fast responsiveness. Combined with a pre-travel of just 1.2±0.4mm, this linear switch offers effortless, uninterrupted keystrokes for both typing and gaming. Whether you're in a long writing session or a fast-paced competitive match, your fingers stay light, fast, and fatigue-free.

2. All-POM Construction + Factory Lubing – Ultimate Smoothness The top housing, stem, and bottom housing are all made from premium POM material — a self-lubricating plastic that minimizes internal friction. Precision factory lubing further enhances the smoothness, ensuring minimal wobble, consistent feel, and a clean, satisfying sound profile with every press. No manual lubing required — just buttery-smooth keystrokes right out of the box.

3. Light Linear Force – Fatigue-Free Typing The Butterfly Love Switch features a light actuation force of just 45±5gf. Even during long hours of continuous typing, your fingers experience less strain and fatigue. This makes it an excellent choice for writers, programmers, office workers, or anyone who types extensively on a daily basis.

4. MX-Compatible & Hot-Swappable Designed with a standard 5-pin MX-compatible base, the Butterfly Blue Switch seamlessly integrates into most hot-swappable PCBs and mechanical keyboards. Whether you're building a custom keyboard from scratch or upgrading an existing one, these switches offer tool-free, plug-and-play installation, giving you the flexibility to experiment with different layouts and configurations.

5. Built to Last – 70 Million Keystrokes Rated for an impressive 70,000,000 keystrokes, the Butterfly Love Switch is engineered for long-term durability. Key specifications:Pre-travel: 1.2±0.4mm、Total travel: 4.0±0.3mm、Bounce time: ≤5ms (at 16 in/sec actuation speed)、Operation force: 45±5gf

Have you ever felt your fingers getting tired after a long day of typing? Or wished your keyboard could keep up with your split-second reactions in a fast-paced game? The Kailh Butterfly Switch was designed with you in mind. From the very first press, you'll notice how effortlessly the keys go down. With a light actuation force and a short 1.2mm pre-travel, each keystroke feels almost effortless — like your fingers are gliding across the keyboard rather than pushing against it. The linear, no-bump feel means every press is smooth, predictable, and silent in friction, whether you're hammering out an email, writing code, or landing combo moves in your favorite game. And when you need speed, this switch delivers. The bounce time is an incredible ≤5ms (at 16 in/sec actuation speed). What does that mean for you? Near-instant reset. No lag between rapid keystrokes. Just you and your game, staying perfectly in sync. We've built every part of this switch — the top housing, the stem, and the bottom housing — from high-grade POM material. POM is naturally self-lubricating, which means less friction and a smoother feel over time. But we didn't stop there. Each switch is precision-lubed at the factory, so you get that buttery, high-end custom keyboard feel without having to open a single switch or buy any tools. Just install and type. It's that simple. Whether you're building your first custom mechanical keyboard or upgrading an existing one, installation couldn't be easier. The Butterfly Switch uses a standard 5-pin MX-compatible design, so it fits seamlessly into most hot-swappable PCBs and mechanical keyboards. No soldering. No complicated tools. Just pull out your old switches and pop these in. Who is this switch for? Gamers who need fast, reliable, and fatigue-free response during long sessions. Writers, programmers, and office workers who spend hours typing every day and want to reduce finger strain. Keyboard enthusiasts who appreciate smooth, factory-lubed switches that sound clean and feel premium right away.