Open Box FiiO FF5 Carbon-based 14.2mm Dynamic Driver Earbuds (Ships Only to Japan)
SKU: 63024070678

Open Box FiiO FF5 Carbon-based 14.2mm Dynamic Driver Earbuds (Ships Only to Japan)

Sale price$62.99 Regular price$69.99
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Description

Open Box FiiO FF5 Carbon-based 14.2mm Dynamic Driver Earbuds (Ships Only to Japan)Note: Our open box products, used exclusively for unboxing videos, are original and unworn, available at a surprise discount price. Only one of each type in stockfirst come, first served. Purchase now for immediate shipping. Powerful Sound With Newly Developed Dynamic Driver Unit: FiiO FF5 breaks the limitations of earbuds with a powerful 14. 2mm newly developed dynamic driver unit. This driver adopts a specially developed carbon based composite

Note: Our open box products, used exclusively for unboxing videos, are original and unworn, available at a surprise discount price. Only one of each type in stock—first come, first served. Purchase now for immediate shipping.

Powerful Sound With Newly Developed Dynamic Driver Unit:-

FiiO FF5 breaks the limitations of earbuds with a powerful 14.2mm newly-developed dynamic driver unit. This driver adopts a specially-developed carbon-based composite diaphragm that is paired with PU Gasket Suspension. It’s both lightweight and rigid, delivering powerful sound with quick transients, extended lower and higher-end frequencies, and minimizing non-linear distortion in the output signal. The pair has been tuned to deliver lovely vocals, especially rich and lush sounding female vocals.

Professionally Designed Open-Back Cavity Design:-

FiiO development team aimed to reduce the unwanted reflections and vibrations within the shell of the FF5. They have carefully designed the cavity structure with a diffuse open back cavity design. It allows for cleaner, purer sound with improved bass and a wider sound field. 

Extended Bass Acoustic Resistance Pipe Design:-

In order to maintain a clean bass response with the FF5, FiiO has designed the pair with acoustic resistance pipes that helps to effectively increase and extend the bass response. When the diaphragm vibrates, the air pressure is diverted towards these acoustic resistance pipes reducing the resonance in the lower end and delivering a clean response.

Rich & Seductive Sound Tuning:-

FiiO FF5 is tuned to deliver rich vocals and impressive details with a powerful lower end in a single package. The pair has been adjusted to deliver clear, crisp vocals and accurate instrument details.

Attractive Design With Lightweight Aesthetics:-

FiiO FF5 is a premium earbud designed with CNC-machined aluminum alloy ear cavities. Each earphone weighs just only 3.4 grams maintaining a lightweight with a solid, robust build. With its ergonomic shape and lightweight design, the FF5 simply disappears in your ear!! FiiO also bundles six pairs of silicone rings for a comfortable wearing experience.

High-Purity Silver-Plated Monocrystalline Copper Cable:-

FiiO FF5 comes standard with a high-quality silver-plated monocrystalline copper cable. It has a 4-strand configuration with 392 wire cores in total. It has expanded MMCX connectors and swappable termination plugs. The package includes 3.5mm and 4.4mm termination plugs.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 63024070678

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4.3 ★★★★★
Based on 193 reviews
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Product Reviews
J
Verified Purchase
Jill
Charlottesville, US
★★★★★ 5
One of the best dog toys I’ve bought off Amazon in a long time
Color: Green
My dog Rosie is a heavy tower so it is difficult to find balls she doesn’t destroy quickly. I came across this item on Amazon and it is honestly one of the best pet toys I’ve ever bought on Amazon. After a long day of work sometimes I come home and Rosie has a lot of energy. I turn this ball on fast mode and she has so much fun. I do worry about how much shaking in her mouth. I don’t wanna give her a headache, lol but there’s also a slow mode that you can press for the ball to slowly move around, but it’s a really good toy and I’m happy. I purchased it if you have a heavy tower, I wouldn’t worry about them breaking it because we’ve had it for a couple weeks now and she’s doing great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
J
Verified Purchase
Jason S.
Pawtucket, US
★★★★★ 4
Not indestructible, but dogs love it
Color: Green
My dog LOVES this toy. Unfortunately, she loves it so much she destroys it. I have now purchased FOUR of these, but if left unattended for 5 minutes, my American terrier breaks this apart. She loves it so much though, I keep buying replacements. This is a wonderful enrichment toy, but you must keep an eye on your toothy friend.
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Reviewed in the United States on December 29, 2025
S
Verified Purchase
Simm in Seattle
Charlottesville, US
★★★★★ 3
Engaging and Fun, But Lacks Durability for Strong-Gripped Dogs
Color: Green
The internal mechanism of this toy works very well, and the ball’s movement immediately caught the attention of my Boxer pup. He was absolutely fascinated and spent hours each day playing with it. However, while the toy’s design is engaging, the durability of the exterior leaves much to be desired—especially for dogs who tend to pick things up with a firm grip. We didn’t know what to expect since our pup hadn’t previously played with an interactive ball, so we supervised playtime and made sure to store the ball in a safe spot when we couldn’t keep an eye on him. Despite this, the ball didn’t hold up. Our pup wasn’t intentionally chewing it. He simply carried the ball in his mouth when we moved downstairs or to another room, yet the grip while he carried the ball caused significant damage to the exterior. Within about a week of regular use (approximately 40 hours in total), the ball’s outer layer became deeply gouged by his teeth. To clarify, my pup wasn’t biting down hard or trying to destroy it, but his natural grip while carrying the ball left deep grooves in the surface. In just days, these gouges made the exterior sharp to the touch and compromised the structure. By the end of the week, we couldn’t screw the cover back together after removing it to recharge the ball, which made it unusable. And I was dismayed that there aren’t replacements readily available. Overall, my pup absolutely loved this toy — it was engaging and kept him entertained for hours. However, if your dog has a strong grip or frequently carries toys in their mouth, this may not hold up as well as expected. It’s a great concept but needs a more durable outer layer and replacement hard covers to make it a long-term investment.
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Reviewed in the United States on January 3, 2025
L
Verified Purchase
Larry Z.
Fort Morgan, US
★★★★★ 5
My dog loves this ball
Color: Green
The battery on this lasts forever. The random on/off motion and when it gets touched inducing motion just keeps my dog guessing and occupied for a long time. My dog's tail is wagging the whole time.
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Reviewed in the United States on May 5, 2026
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Verified Purchase
DM
Massapequa, US
★★★★★ 5
Great ball
I have bought two of these in different colors. My Yorkie loves them. They’re very interactive even if you don’t put the cover on it they move and if he’s not playing with it, it tends to go into sleep mode.My Yorkie got the cover off the ball within the first two minutes. But he loves the ball. Now bought 2nd ball. The ones with covers don’t work he rips the covers off.
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Reviewed in the United States on October 15, 2025

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