Feilongcater Fine Flash Four in One Ballpoint Pen: Gravity sensor technology
Imagine a pen that’s less a writing tool and more a Swiss Army knife for the desk jockey. The Fine Flash Four in One Ballpoint Pen packs four functions into one sleek barrel, all controlled by a clever gravity sensor—flip it, and it switches modes like magic. No fumbling for separate gadgets; this is efficiency engineered for the modern professional, student, or anyone drowning in multitasking. Smooth rollerball ink glides across paper, cutting down on hand strain during those marathon note-taking sessions. It’s the kind of gadget that declutters your bag and sharpens your workflow, whether you’re sealing deals in the boardroom or jotting ideas on the fly. Built to last, it’s not just a pen—it’s a productivity upgrade disguised as office gear.
- Multifunctional design
- Roller ball ink system
- Office use optimized
- Durable construction
- Gravity sensor technology
General specs
- Brand: Feilongcater
- Model: Fine Flash
- Seller: Joom
- Ink Type: Roller ball
- Functions: Four in one
- Sensor Type: Gravity sensor
- Intended Use: Office
- First listed by seller: 8/29/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$8.13
Last price update: 8/29/25
Available to order
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Feilongcater Fine Flash Gravity sensor technology
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Feilongcater Fine Flash Gravity sensor mechanism
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Four-colors Gravity Pen Multifunctional design
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Smartphone Touch Ballpoint Pens Smartphone touch compatibility
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Multifunctional Stylus Pen Gray 7-in-1 functionality
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JAPAN ANIME BRIDGE T22-QS-TK66A-3 Black Smartphone touch compatible
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| Brand | Feilongcater | Feilongcater | bolingop50 | JAPAN ANIME BRIDGE | Elberta | JAPAN ANIME BRIDGE |
| Model | Fine Flash | Fine Flash | T22-QS-TK66A-3 | |||
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| Rating |
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| Price | $8.13 | $8.11 | $8.27 | $76.94 | $5.10 | $50.25 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 27, 2025 | August 27, 2025 | August 17, 2025 | August 26, 2025 | August 13, 2025 | August 26, 2025 |
Four in One Ballpoint Pen
$8.13
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Robert D.
Miami, FL
September 10, 2025
as a perfectionist with a diy mindset i had high hopes for this pen expecting it to streamline my work setup but reality hit hard while the idea is brilliant the execution falls short the switching feature which should be seamless often requires multiple flips to engage properly and that’s frustrating during meetings or quick notes it’s not a dealbreaker though because with some tweaks maybe i can fix it myself but out of the box it’s not the flawless tool i envisioned still it’s decent for the price and gets the job done with a bit of patience
- Pros: i liked how it combines several tools into one sleek design making it super convenient to carry around the ink flows smoothly which is great for long writing sessions without tiring my hand out and it arrived right on time no delays there
- Cons: the mechanism that switches between functions seems a bit finicky sometimes it doesn’t respond as quickly as i expected and for someone who’s extremely picky about precision it feels a tad unreliable the build quality could be better too it seems like it might not hold up under heavy daily use