Kailh BOX Jam Ice Cream — 1mm Quick-Trigger Gaming Switch | Linear · Esports · 80M
$0.58
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Kailh BOX Jam Ice Cream — 1mm Quick-Trigger Gaming Switch | Linear · Esports · 80M
$0.58
Kailh Premium Fast-Trigger Series
Kailh BOX Jam Ice Cream Linear Switch
Tired of scratchy, sluggish budget switches holding you back in competitive gaming or causing finger fatigue during late-night typing? Kailh elevates the legendary "Ice Cream" series to the absolute pinnacle of speed and feel with the "BOX Jam Ice Cream Linear Switch." Like scooping melting ice cream—buttery, smooth, and entirely frictionless. Combining a classic POM housing with a highly concentrated, acoustic POK extended stem, it eradicates all sandy friction. Featuring an aggressive 1.0mm rapid actuation, a 37gf feather-light touch, and an innovative fan-shaped light guide. Whether you're grinding ranked games or typing for hours, experience the ultimate endgame sensory delight.
🛡️ 30-Day Risk-Free Trial 🚚 Lightning Shipping ✅ Universal 5-Pin Hot-Swap
1.0mm Rapid Actuation
37gf Feather Light
POM+POK Self-Lubricating
BOX Dust/Water Proof
Why Jam Ice Cream is the Ultimate Endgame Linear?
Scratchy & High Friction
Ordinary switches use mixed plastics. Without perfect hand-lubing, they feel incredibly sandy and scratchy when pressed, degrading rapidly over time and ruining your typing experience.
Sluggish Input & Fatigue
Standard linears with 2.0mm actuation and 50g+ springs feel horribly delayed during competitive counter-strafing. Heavy springs also leave your fingers sore after long sessions.
Dust Failure & Dim RGB
Open stems are magnets for dust and debris, causing double-clicking or failure. Furthermore, opaque housings severely block RGB lighting, making expensive keyboards look cheap.
✨ The Endgame Solution: POK "Melting" smoothness, 1.0mm lightning actuation, and Kailh BOX structural protection.
Say Goodbye to Scratchiness
POM & POK "Melting" Smoothness
Feature
Constructed with full POM (Polyoxymethylene) top and bottom housings in the classic Ice Cream colorway, matched with a highly acoustic, low-resonance POK extended stem and high-precision factory lube.
Advantage
POM and POK possess incredibly strong natural self-lubricating properties. Friction is completely eradicated straight out of the box, and the materials actually become smoother the more you use them.
Benefit
Experience the sensation of a hot knife slicing through butter. Every keystroke is flawlessly smooth, with a highly concentrated and premium HIFI bottom-out sound. No tedious hand-lubing required.
Evidence
Endorsed by the custom keeb community for maintaining an "Endgame" level of smoothness that permanently outlasts standard PC/Nylon blends.
Say Goodbye to Input Lag
1.0mm Actuation & 15.2mm Spring
Feature
Aggressively tuned for esports with an ultra-short 1.0±0.4mm actuation point, powered by a highly resilient 15.2mm gold-plated extended spring and a 37gf feather-light starting force.
Advantage
The 1.0mm travel triggers your commands at the speed of light, while the 15.2mm spring provides a rapid, snappy rebound to perfectly balance the ultra-light 37g force, preventing resting misclicks.
Benefit
Master both typing and gaming effortlessly. Your counter-strafing and peeks in games like Valorant become instantaneous. Meanwhile, the 37g feather-light touch completely cures finger fatigue during all-night work sessions.
Evidence
Precision-engineered force curves show a flawless linear drop with a fast, powerful reset driven by the gold-plated anti-oxidation spring.
Say Goodbye to Dust & Dim RGB
BOX Architecture & Fan-Shaped Light Guide
Feature
Equipped with Kailh's legendary BOX sealed architecture (protecting gold-plated contacts) and a 5-pin base. Externally, it features an innovative glossy fan-shaped light guide pillar.
Advantage
The BOX design provides hardcore physical protection against dust and moisture, ensuring absolute reliability. The fan-shaped pillar acts as an optical lens, magnifying underlying SMD LEDs uniformly.
Benefit
Game and snack at your desk with zero anxiety—dust and crumbs won't ruin your switches. When the lights go down, your keyboard's RGB will shine brilliantly and evenly, elevating your entire setup's aesthetics.
Evidence
Lab tested for an indestructible 50 Million keystroke lifespan, backed by Kailh's premier manufacturing quality control.
The Linear Evolution
| Spec Comparison | Standard Linear (e.g. Red Switch) | ✨ Kailh BOX Jam Ice Cream |
|---|---|---|
| Actuation Travel | 2.0 mm (Standard, sluggish) | 1.0 ± 0.4 mm — Lightning fast esports response |
| Actuation Force | 45-50 gf (Heavy, causes fatigue) | 37 ± 10 gf — Feather-light, fatigue-free |
| Material & Feel | PC/PA Blend, high friction | Full POM + POK Stem — Buttery smooth & HIFI sound |
| Spring Config | Standard steel, soft return | 15.2mm Gold-Plated — Snappy, powerful rebound |
| Protection | Open stem, collects dust/fails | BOX Sealed Architecture — Dust/Water resistant |
| Lighting (RGB) | Opaque housing heavily blocks RGB | Fan-shaped Light Pillar — Uniform, brilliant glow |
Technical Specifications
Product NameKailh BOX Jam Ice Cream Linear Switch
Switch TypeFast-Trigger Linear Esports Switch
Housing MaterialSelf-Lubricating POM (Top & Bottom)
Stem MaterialPOK (Extended stem, high-wear resistance, HIFI acoustics)
Operating Force37 ± 10 gf (Feather-light)
Conduction Travel1.0 ± 0.4 mm (Lightning-fast actuation)
Total Travel3.5 ± 0.3 mm (Crisp bottom-out)
Spring Specs15.2 mm Gold-Plated Extended Spring
Internal ProtectionKailh BOX Sealed Architecture
ContactsKailh Gold-Plated Contacts
LubricationHigh-Precision Factory Pre-Lubed
Lifespan≥ 50,000,000 Keystrokes (50M Cycles)
Pin Configuration5-Pin (Hot-swap friendly, clip 2 pins for 3-pin boards)
Light GuideGlossy Fan-Shaped Light Pillar
Customer Reviews
★★★★★
"1.0mm actuation is a physical aimbot!"
"The trigger speed is insane. My movement commands in Valorant feel instantaneous. The POK extended stem paired with the POM housing creates an incredibly concentrated, HIFI bottom-out sound. It's incredibly silky out of the box, literally zero friction."
— @SpeedDemon, Pro FPS Player
★★★★★
"37g is the perfect sweet spot for work and play."
"Finally, a switch that blends rapid esports actuation with an ultra-light typing feel perfectly. 37gf feels like walking on clouds—my fingers never cramp. The 15.2mm gold-plated spring gives it a very snappy, powerful return so it doesn't feel mushy at all."
— @CodeCruncher, Senior Dev
★★★★★
"BOX structure & Fan Pillar = Endgame."
"As someone who snacks at their desk, the BOX dust-proof structure is a lifesaver. I've used these full POM switches for a month and they've actually gotten smoother over time. The fan-shaped light pillar makes my RGB ridiculously bright and even."
— @DustProof, Custom Keeb Veteran
Common Questions
Standard linear switches (like Red switches) have an actuation travel of 2.0mm. The Jam Ice Cream switch compresses this to an astonishing 1.0mm. When factoring in manufacturing tolerances, the real-world feel hits perfectly around 1.4mm, which strikes the ultimate balance. It gives you near-instantaneous physical response for crucial micro-adjustments in games like CS2 or Valorant, without being overly sensitive.
This is a common but unnecessary worry. While 37gf is a feather-light force designed to completely eradicate finger fatigue during long gaming or coding sessions, it is paired with a highly resilient 15.2mm gold-plated extended spring. This spring provides a very snappy, uniform push-back force that perfectly balances the lightness, preventing resting misclicks and giving you a crisp, controlled typing rhythm.
POM (Polyoxymethylene) is highly regarded in the industry for its incredible "self-lubricating" properties and high durability. POK is a newer material that offers even better acoustics and lower friction. By combining them and utilizing an extended stem, the switch not only delivers a highly concentrated, premium HIFI bottom-out sound, but it also physically gets smoother the more you use it—like melting ice cream.
Absolutely not. To ensure an "Endgame" out-of-the-box experience, Kailh uses high-precision automated equipment to perfectly pre-lube the critical friction points (rails and springs) at the factory. You can install these switches immediately and enjoy a flawlessly smooth glide with zero spring ping or scratchy plastic noises.
Kailh's exclusive BOX architecture features an isolated, sealed micro-chamber inside the switch that completely encloses the metal actuation leaves. This hardcore physical barrier blocks dust, pet hair, and moisture from interfering with the contacts. It drastically improves the switch's reliability, guarantees a 50 Million keystroke lifespan, and virtually eliminates double-clicking issues.